diff --git a/sphinxcontrib/opendataservices.py b/sphinxcontrib/opendataservices.py
index 2960a51..f95526e 100644
--- a/sphinxcontrib/opendataservices.py
+++ b/sphinxcontrib/opendataservices.py
@@ -96,14 +96,14 @@ def run(self):
             title = filename
         pointed = resolve_pointer(json_obj, self.options['jsonpointer'])
         # Remove the items mentioned in exclude
-        if(self.options.get('exclude')):
+        if self.options.get('exclude'):
             for item in self.options['exclude'].split(","):
                 try:
                     del pointed[item.strip()]
                 except KeyError:
                     pass
 
-        if(self.options.get('include_only')):
+        if self.options.get('include_only'):
             for node in list(pointed):
                 if not (node in self.options.get('include_only')):
                     del pointed[node]
@@ -183,13 +183,13 @@ def get_csv_data(self):
         with open(abspath) as fp:
             json_obj = json.load(fp, object_pairs_hook=OrderedDict)
         pointed = resolve_pointer(json_obj, self.options['jsonpointer'])
-        if(self.options.get('exclude')):
+        if self.options.get('exclude'):
             for item in self.options['exclude'].split(","):
                 try:
                     del pointed[item.strip()]
                 except KeyError:
                     pass
-        if(self.options.get('include_only')):
+        if self.options.get('include_only'):
             for node in list(pointed):
                 if not (node in self.options.get('include_only')):
                     del pointed[node]