Style guide cleanup

backend/app/util/filter.py

@@ -1,6 +1,7 @@
 class QueryStringError(Exception):
     pass
 
+
 def _convert_variable(datatype, variable):
     """
     Convert variable to number (float/int)
@@ -19,6 +20,7 @@ def _convert_variable(datatype, variable):
     except ValueError:
         raise
 
+
 def parse_filter(filter, schema):
     """
     {key: variable_type

backend/app/util/utils.py

@@ -1,7 +1,9 @@
 import json
+
 from numpy import float32, integer
 from flask import make_response, jsonify, Response
 
+
 class Float32JSONEncoder(json.JSONEncoder):
     def default(self, obj):
         if isinstance(obj, float32):
@@ -10,6 +12,7 @@ class Float32JSONEncoder(json.JSONEncoder):
             return int(obj)
         return json.JSONEncoder.default(self, obj)
 
+
 def make_payload(data, errormessage="", errorcode=200):
     """
     Creates JSON respons for requests
@@ -31,13 +34,7 @@ def make_payload(data, errormessage="", errorcode=200):
         }
     }), errorcode)
 
+
 def make_streaming_response(data_generator, errorcode=200, content_type="application/json"):
     # TODO headers
     return Response(data_generator, status=errorcode, content_type=content_type)
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