Make pylint happy

Author: oschwald

maxminddb/__init__.py

@@ -5,9 +5,9 @@
     if os.environ.get('MAXMINDDB_PURE_PYTHON') == '1':
         raise ImportError()
     from maxminddb.extension import Reader, InvalidDatabaseError
-except ImportError as e:
+except ImportError as import_error:
     if os.environ.get('MAXMINDDB_PURE_PYTHON') == '0':
-        raise e
+        raise import_error
     from maxminddb.decoder import InvalidDatabaseError
     from maxminddb.reader import Reader