def/class keywords after an opening parentheses led to empty arrays without closing brackets, tests & fixes #416

test/completion/parser.py

@@ -25,3 +25,12 @@ IndentIssues().one_param()
 
 #? str()
 IndentIssues().with_param('')
+
+
+"""
+Just because there's a def keyword, doesn't mean it should not be able to
+complete to definition.
+"""
+definition = 0
+#? ['definition', 'def']
+str(def