Fix ecal

Fixes #360

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
       run: |
         i=0
         while [ $i -lt 12 ] && [ "${{ github.ref_name }}" != $(pip index versions -i https://test.pypi.org/simple --pre exchange_calendars | cut -d'(' -f2 | cut -d')' -f1 | sed 1q) ];\
-          do echo "waiting for package to appear in test index, i is $i"; echo "sleeping 5s"; sleep 5s; echo "woken up"; ((i++)); echo "next i is $i"; done
+          do echo "waiting for package to appear in test index, i is $i"; echo "sleeping 5s"; sleep 5s; echo "woken up"; let i++; echo "next i is $i"; done
         pip install --index-url https://test.pypi.org/simple exchange_calendars==${{ github.ref_name }} --no-deps
         pip install -r etc/requirements.txt
         python -c 'import exchange_calendars;print(exchange_calendars.__version__)'
@@ -56,6 +56,6 @@ jobs:
       run: |
         i=0
         while [ $i -lt 12 ] && [ "${{ github.ref_name }}" != $(pip index versions -i https://pypi.org/simple --pre exchange_calendars | cut -d'(' -f2 | cut -d')' -f1 | sed 1q) ];\
-          do echo "waiting for package to appear in index, i is $i"; echo "sleeping 5s"; sleep 5s; echo "woken up"; ((i++)); echo "next i is $i"; done
+          do echo "waiting for package to appear in index, i is $i"; echo "sleeping 5s"; sleep 5s; echo "woken up"; let i++; echo "next i is $i"; done
         pip install --index-url https://pypi.org/simple exchange_calendars==${{ github.ref_name }}
         python -c 'import exchange_calendars;print(exchange_calendars.__version__)'

etc/ecal

@@ -37,7 +37,7 @@ def _render_month(calendar, year, month, print_year):
     else:
         end = "{year}-{month}".format(year=year, month=month + 1)
 
-    days = pd.date_range(start, end, tz="utc")
+    days = pd.date_range(start, end)
 
     title = months[month - 1]
     if print_year: