Fix settings handling (#78)

Fix settings handling

Author: kaste

linter.py

@@ -47,7 +47,7 @@ def run(self, cmd, code):
 
         if not (
             re.search(_flow_comment_re, code)
-            or self.settings.get['all']
+            or self.settings.get('all')
         ):
             logger.info("did not find @flow pragma")
             return ''