speed up,only "function" need "params"

when type is "module" or "class", then throw error , is very slowly

plugins/c9.ide.language.python/server/jedi_server.py

@@ -50,11 +50,12 @@ class Daemon(BaseHTTPRequestHandler):
 def to_json(mode, nodoc):
     include_pos = mode == "goto_definitions"
     def to_json(c):
-        try:
+        if c.type == "function":
-            paramList = { p.description for p in c.params }
+            try:
-            params = ", ".join([p for p in paramList if p != None and p != "self"])
+                paramList = { p.description for p in c.params }
-        except:
+                params = ", ".join([p for p in paramList if p != None and p != "self"])
-            params = ""
+            except:
+                params = ""
         return remove_nulls({
             "name": c.name + ("(" + params + ")" if c.type == "function" else ""),
             "replaceText": c.name + "(^^)" if c.type == "function" else None,