Update top-pypi-packages filename

To stay within quota, it now has just under 30 days of data, so the filename has been updated. Both will be available for a while. See hugovk/top-pypi-packages#46.

Author: hugovk

find_nonpure_packages.py

@@ -40,7 +40,7 @@ def is_pure(package_name):
         return True
 
 
-with open('top-pypi-packages-30-days.json') as f:
+with open('top-pypi-packages.json') as f:
     data_top100 = json.load(f)['rows'][:150]
     pkgnames = [row['project'] for row in data_top100]