Remove redundant parentheses

test/completion/goto.py

@@ -83,7 +83,7 @@ c
 c()
 
 
-class ClassVar():
+class ClassVar:
     x = 3
 
 #! ['x = 3']
@@ -103,7 +103,7 @@ def f(t=None):
     t = t or 1
 
 
-class X():
+class X:
     pass
 
 #! 3 []
@@ -158,7 +158,7 @@ from . import some_variable
 # anonymous classes
 # -----------------
 def func():
-    class A():
+    class A:
         def b(self):
             return 1
     return A()
@@ -171,7 +171,7 @@ func().b()
 # -----------------
 
 #! 7 ['class ClassDef']
-class ClassDef():
+class ClassDef:
     """ abc """
     pass
 
@@ -216,7 +216,7 @@ def dec(dec_param=3):
 def y():
     pass
 
-class ClassDec():
+class ClassDec:
     def class_func(func):
         return func