Omit trailing comma when no extra dimensions

signalfx · Feb 16, 2018 · 7ca110d · 7ca110d
1 parent c3526d5
commit 7ca110d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mongodb.py b/mongodb.py
@@ -49,7 +49,7 @@ def submit(self, type, type_instance, value, db=None, extra_dims=None):
 
         encoded_dims = self.encode_dims(discovered_dims)
         if self.dimensions:
-            encoded_dims = self.dimensions + "," + encoded_dims
+            encoded_dims += ("," if encoded_dims else "") + self.dimensions
 
         # set plugin_instance
         if encoded_dims: