Removed mutable default arguments

cadnce · cadnce · commit 1a7e0fa54c54 · 2017-03-08T01:15:01.000Z
diff --git a/influxdb/_dataframe_client.py b/influxdb/_dataframe_client.py
@@ -227,7 +227,7 @@ def _convert_dataframe_to_lines(self,
                                     measurement,
                                     field_columns=None,
                                     tag_columns=None,
-                                    global_tags={},
+                                    global_tags=None,
                                     time_precision=None,
                                     numeric_precision=None):
 
@@ -366,7 +366,7 @@ def _stringify_dataframe(self,
 
         if datatype == 'field':
             # If dealing with fields, format ints and strings correctly
-            dataframe[int_columns] = dataframe[int_columns] + 'i'
+            dataframe[int_columns] += 'i'
             dataframe[string_columns] = '"' + dataframe[string_columns] + '"'
         elif datatype == 'tag':
             dataframe = dataframe.apply(_escape_pandas_series)
diff --git a/influxdb/tests/client_test.py b/influxdb/tests/client_test.py
@@ -838,7 +838,7 @@ def __init__(self, *args, **kwargs):
 
     def query(self,
               query,
-              params={},
+              params=None,
               expected_response_code=200,
               database=None):
         if query == 'Fail':
