diff --git a/azure/multiapi/cosmosdb/v2017_04_17/common/_connection.py b/azure/multiapi/cosmosdb/v2017_04_17/common/_connection.py
index 28f683e..6645081 100644
--- a/azure/multiapi/cosmosdb/v2017_04_17/common/_connection.py
+++ b/azure/multiapi/cosmosdb/v2017_04_17/common/_connection.py
@@ -88,7 +88,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)
diff --git a/azure/multiapi/storage/v2015_04_05/_connection.py b/azure/multiapi/storage/v2015_04_05/_connection.py
index 8721e92..368ab27 100644
--- a/azure/multiapi/storage/v2015_04_05/_connection.py
+++ b/azure/multiapi/storage/v2015_04_05/_connection.py
@@ -76,7 +76,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
             if custom_domain:
                 parsed_url = urlparse(custom_domain)
                 self.primary_endpoint = parsed_url.netloc + parsed_url.path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)         
diff --git a/azure/multiapi/storage/v2015_04_05/blob/baseblobservice.py b/azure/multiapi/storage/v2015_04_05/blob/baseblobservice.py
index 8e594db..74ee912 100644
--- a/azure/multiapi/storage/v2015_04_05/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2015_04_05/blob/baseblobservice.py
@@ -919,7 +919,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and\
+        if lease_duration != -1 and\
            (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2262,7 +2262,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and\
+        if lease_duration != -1 and\
            (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         response = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2016_05_31/_connection.py b/azure/multiapi/storage/v2016_05_31/_connection.py
index b9585b3..53a5367 100644
--- a/azure/multiapi/storage/v2016_05_31/_connection.py
+++ b/azure/multiapi/storage/v2016_05_31/_connection.py
@@ -80,7 +80,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)
diff --git a/azure/multiapi/storage/v2016_05_31/blob/_upload_chunking.py b/azure/multiapi/storage/v2016_05_31/blob/_upload_chunking.py
index 150989a..a8a8e20 100644
--- a/azure/multiapi/storage/v2016_05_31/blob/_upload_chunking.py
+++ b/azure/multiapi/storage/v2016_05_31/blob/_upload_chunking.py
@@ -366,7 +366,7 @@ def read(self, n):
             n = self._length - self._position
 
         # return fast
-        if n is 0 or self._buffer.closed:
+        if n == 0 or self._buffer.closed:
             return b''
 
         # attempt first read from the read buffer
diff --git a/azure/multiapi/storage/v2016_05_31/blob/baseblobservice.py b/azure/multiapi/storage/v2016_05_31/blob/baseblobservice.py
index 9839401..93007a7 100644
--- a/azure/multiapi/storage/v2016_05_31/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2016_05_31/blob/baseblobservice.py
@@ -972,7 +972,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and\
+        if lease_duration != -1 and\
            (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2524,7 +2524,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and\
+        if lease_duration != -1 and\
            (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         lease = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2017_04_17/blob/_upload_chunking.py b/azure/multiapi/storage/v2017_04_17/blob/_upload_chunking.py
index 5b345cb..59e11b2 100644
--- a/azure/multiapi/storage/v2017_04_17/blob/_upload_chunking.py
+++ b/azure/multiapi/storage/v2017_04_17/blob/_upload_chunking.py
@@ -388,7 +388,7 @@ def read(self, n):
             n = self._length - self._position
 
         # return fast
-        if n is 0 or self._buffer.closed:
+        if n == 0 or self._buffer.closed:
             return b''
 
         # attempt first read from the read buffer and update position
diff --git a/azure/multiapi/storage/v2017_04_17/blob/baseblobservice.py b/azure/multiapi/storage/v2017_04_17/blob/baseblobservice.py
index 20b47a2..e74f555 100644
--- a/azure/multiapi/storage/v2017_04_17/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2017_04_17/blob/baseblobservice.py
@@ -974,7 +974,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2527,7 +2527,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         lease = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2017_04_17/common/_connection.py b/azure/multiapi/storage/v2017_04_17/common/_connection.py
index ca92925..0c1566f 100755
--- a/azure/multiapi/storage/v2017_04_17/common/_connection.py
+++ b/azure/multiapi/storage/v2017_04_17/common/_connection.py
@@ -84,7 +84,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)
diff --git a/azure/multiapi/storage/v2017_07_29/blob/_upload_chunking.py b/azure/multiapi/storage/v2017_07_29/blob/_upload_chunking.py
index e73388b..0abf847 100644
--- a/azure/multiapi/storage/v2017_07_29/blob/_upload_chunking.py
+++ b/azure/multiapi/storage/v2017_07_29/blob/_upload_chunking.py
@@ -389,7 +389,7 @@ def read(self, n):
             n = self._length - self._position
 
         # return fast
-        if n is 0 or self._buffer.closed:
+        if n == 0 or self._buffer.closed:
             return b''
 
         # attempt first read from the read buffer and update position
diff --git a/azure/multiapi/storage/v2017_07_29/blob/baseblobservice.py b/azure/multiapi/storage/v2017_07_29/blob/baseblobservice.py
index 437394a..7ffbb39 100644
--- a/azure/multiapi/storage/v2017_07_29/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2017_07_29/blob/baseblobservice.py
@@ -993,7 +993,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2563,7 +2563,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         lease = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2017_07_29/common/_connection.py b/azure/multiapi/storage/v2017_07_29/common/_connection.py
index 5fe746d..990f8e9 100644
--- a/azure/multiapi/storage/v2017_07_29/common/_connection.py
+++ b/azure/multiapi/storage/v2017_07_29/common/_connection.py
@@ -76,7 +76,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)
diff --git a/azure/multiapi/storage/v2017_11_09/blob/_upload_chunking.py b/azure/multiapi/storage/v2017_11_09/blob/_upload_chunking.py
index 6925450..97a617d 100644
--- a/azure/multiapi/storage/v2017_11_09/blob/_upload_chunking.py
+++ b/azure/multiapi/storage/v2017_11_09/blob/_upload_chunking.py
@@ -389,7 +389,7 @@ def read(self, n):
             n = self._length - self._position
 
         # return fast
-        if n is 0 or self._buffer.closed:
+        if n == 0 or self._buffer.closed:
             return b''
 
         # attempt first read from the read buffer and update position
diff --git a/azure/multiapi/storage/v2017_11_09/blob/baseblobservice.py b/azure/multiapi/storage/v2017_11_09/blob/baseblobservice.py
index d0fbe0d..5deb89b 100644
--- a/azure/multiapi/storage/v2017_11_09/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2017_11_09/blob/baseblobservice.py
@@ -1000,7 +1000,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2570,7 +2570,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         lease = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2017_11_09/common/_connection.py b/azure/multiapi/storage/v2017_11_09/common/_connection.py
index 1388fdd..6160148 100644
--- a/azure/multiapi/storage/v2017_11_09/common/_connection.py
+++ b/azure/multiapi/storage/v2017_11_09/common/_connection.py
@@ -78,7 +78,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)
diff --git a/azure/multiapi/storage/v2018_03_28/blob/_upload_chunking.py b/azure/multiapi/storage/v2018_03_28/blob/_upload_chunking.py
index b94f058..6da0858 100644
--- a/azure/multiapi/storage/v2018_03_28/blob/_upload_chunking.py
+++ b/azure/multiapi/storage/v2018_03_28/blob/_upload_chunking.py
@@ -400,7 +400,7 @@ def read(self, n):
             n = self._length - self._position
 
         # return fast
-        if n is 0 or self._buffer.closed:
+        if n == 0 or self._buffer.closed:
             return b''
 
         # attempt first read from the read buffer and update position
diff --git a/azure/multiapi/storage/v2018_03_28/blob/baseblobservice.py b/azure/multiapi/storage/v2018_03_28/blob/baseblobservice.py
index 1f4f360..8373938 100644
--- a/azure/multiapi/storage/v2018_03_28/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2018_03_28/blob/baseblobservice.py
@@ -1005,7 +1005,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2604,7 +2604,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         lease = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2018_03_28/common/_connection.py b/azure/multiapi/storage/v2018_03_28/common/_connection.py
index 1388fdd..6160148 100644
--- a/azure/multiapi/storage/v2018_03_28/common/_connection.py
+++ b/azure/multiapi/storage/v2018_03_28/common/_connection.py
@@ -78,7 +78,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)
diff --git a/azure/multiapi/storage/v2018_11_09/blob/_upload_chunking.py b/azure/multiapi/storage/v2018_11_09/blob/_upload_chunking.py
index b94f058..6da0858 100644
--- a/azure/multiapi/storage/v2018_11_09/blob/_upload_chunking.py
+++ b/azure/multiapi/storage/v2018_11_09/blob/_upload_chunking.py
@@ -400,7 +400,7 @@ def read(self, n):
             n = self._length - self._position
 
         # return fast
-        if n is 0 or self._buffer.closed:
+        if n == 0 or self._buffer.closed:
             return b''
 
         # attempt first read from the read buffer and update position
diff --git a/azure/multiapi/storage/v2018_11_09/blob/baseblobservice.py b/azure/multiapi/storage/v2018_11_09/blob/baseblobservice.py
index 92641cd..3cc065c 100644
--- a/azure/multiapi/storage/v2018_11_09/blob/baseblobservice.py
+++ b/azure/multiapi/storage/v2018_11_09/blob/baseblobservice.py
@@ -1060,7 +1060,7 @@ def acquire_container_lease(
         :return: str
         '''
         _validate_not_none('lease_duration', lease_duration)
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
 
@@ -2716,7 +2716,7 @@ def acquire_blob_lease(self, container_name, blob_name,
         '''
         _validate_not_none('lease_duration', lease_duration)
 
-        if lease_duration is not -1 and \
+        if lease_duration != -1 and \
                 (lease_duration < 15 or lease_duration > 60):
             raise ValueError(_ERROR_INVALID_LEASE_DURATION)
         lease = self._lease_blob_impl(container_name,
diff --git a/azure/multiapi/storage/v2018_11_09/common/_connection.py b/azure/multiapi/storage/v2018_11_09/common/_connection.py
index 6836cf9..2dc6f22 100644
--- a/azure/multiapi/storage/v2018_11_09/common/_connection.py
+++ b/azure/multiapi/storage/v2018_11_09/common/_connection.py
@@ -79,7 +79,7 @@ def __init__(self, service, account_name=None, account_key=None, sas_token=None,
                 path = parsed_url.path.rstrip('/')
 
                 self.primary_endpoint = parsed_url.netloc + path
-                self.protocol = self.protocol if parsed_url.scheme is '' else parsed_url.scheme
+                self.protocol = self.protocol if parsed_url.scheme == '' else parsed_url.scheme
             else:
                 if not self.account_name:
                     raise ValueError(_ERROR_STORAGE_MISSING_INFO)