Merge pull request #2 from amitsaha/mimetype

Use request.mimetype instead of request.content_type

Author: syrusakbary

Diff for: graphql_flask/graphqlview.py

@@ -172,4 +172,6 @@ def format_error(error):
 
     @staticmethod
     def get_content_type(request):
-        return request.content_type
+        # We use mimetype here since we don't need the other
+        # information provided by content_type
+        return request.mimetype