diff --git a/package/PikaStdLib/PikaDebug.py b/package/PikaStdLib/PikaDebug.py
index dc2bd9840..60ed65924 100644
--- a/package/PikaStdLib/PikaDebug.py
+++ b/package/PikaStdLib/PikaDebug.py
@@ -1,9 +1,9 @@
 from PikaObj import *
 
 class Debuger(TinyObj):
-    def __init__():
+    def __init__(self):
         pass
 
-    def set_trace():
+    def set_trace(self):
         pass
     
\ No newline at end of file
diff --git a/package/PikaStdLib/PikaStdTask.py b/package/PikaStdLib/PikaStdTask.py
index ea19b9272..da599d389 100644
--- a/package/PikaStdLib/PikaStdTask.py
+++ b/package/PikaStdLib/PikaStdTask.py
@@ -5,33 +5,33 @@ import PikaStdData
 class Task(TinyObj):
     calls = PikaStdData.List()
 
-    def __init__():
+    def __init__(self):
         pass
 
     # regist a function to be called always
-    def call_always(fun_todo: any):
+    def call_always(self, fun_todo: any):
         pass
     
     # regist a function to be called when fun_when() return 'True'
-    def call_when(fun_todo: any, fun_when: any):
+    def call_when(self, fun_todo: any, fun_when: any):
         pass
 
     # regist a function to be called periodically 
-    def call_period_ms(fun_todo: any, period_ms: int):
+    def call_period_ms(self, fun_todo: any, period_ms: int):
         pass
 
     # run all registed function once
-    def run_once():
+    def run_once(self):
         pass
 
     # run all registed function forever
-    def run_forever():
+    def run_forever(self):
         pass
 
     # run all registed function until time is up
-    def run_until_ms(until_ms: int):
+    def run_until_ms(self, until_ms: int):
         pass
 
     # need be overried to supply the system tick
-    def platformGetTick():
+    def platformGetTick(self):
         pass
diff --git a/port/linux/package/pikascript/GTestTask.py b/port/linux/package/pikascript/GTestTask.py
index b4cc8f5e1..51043a0a6 100644
--- a/port/linux/package/pikascript/GTestTask.py
+++ b/port/linux/package/pikascript/GTestTask.py
@@ -3,5 +3,5 @@ import PikaStdTask
 
 
 class Task(PikaStdTask.Task):
-    def platformGetTick():
+    def platformGetTick(self):
         pass
diff --git a/port/linux/package/pikascript/PikaDebug.py b/port/linux/package/pikascript/PikaDebug.py
index dc2bd9840..60ed65924 100644
--- a/port/linux/package/pikascript/PikaDebug.py
+++ b/port/linux/package/pikascript/PikaDebug.py
@@ -1,9 +1,9 @@
 from PikaObj import *
 
 class Debuger(TinyObj):
-    def __init__():
+    def __init__(self):
         pass
 
-    def set_trace():
+    def set_trace(self):
         pass
     
\ No newline at end of file
diff --git a/port/linux/package/pikascript/PikaMath.py b/port/linux/package/pikascript/PikaMath.py
index ca161a0a2..27ccd6d30 100644
--- a/port/linux/package/pikascript/PikaMath.py
+++ b/port/linux/package/pikascript/PikaMath.py
@@ -1,41 +1,41 @@
 from PikaObj import *
 
 class Operator(TinyObj):
-    def plusInt(num1: int, num2: int) -> int:
+    def plusInt(self, num1: int, num2: int) -> int:
         pass
 
-    def plusFloat(num1: float, num2: float) -> float:
+    def plusFloat(self, num1: float, num2: float) -> float:
         pass
 
-    def minusInt(num1: int, num2: int) -> int:
+    def minusInt(self, num1: int, num2: int) -> int:
         pass
 
-    def minusFloat(num1: float, num2: float) -> float:
+    def minusFloat(self, num1: float, num2: float) -> float:
         pass
 
-    def equalInt(num1: int, num2: int) -> int:
+    def equalInt(self, num1: int, num2: int) -> int:
         pass
 
-    def equalFloat(num1: float, num2: float) -> int:
+    def equalFloat(self, num1: float, num2: float) -> int:
         pass
 
-    def graterThanInt(num1: int, num2: int) -> int:
+    def graterThanInt(self, num1: int, num2: int) -> int:
         pass
 
-    def graterThanFloat(num1: float, num2: float) -> int:
+    def graterThanFloat(self, num1: float, num2: float) -> int:
         pass
 
-    def lessThanInt(num1: int, num2: int) -> int:
+    def lessThanInt(self, num1: int, num2: int) -> int:
         pass
 
-    def lessThanFloat(num1: float, num2: float) -> int:
+    def lessThanFloat(self, num1: float, num2: float) -> int:
         pass
 
-    def AND(flag1: int, flag2: int) -> int:
+    def AND(self, flag1: int, flag2: int) -> int:
         pass
 
-    def OR(flag1: int, flag2: int) -> int:
+    def OR(self, flag1: int, flag2: int) -> int:
         pass
 
-    def NOT(flag: int) -> int:
-        pass
\ No newline at end of file
+    def NOT(self, flag: int) -> int:
+        pass
diff --git a/port/linux/package/pikascript/PikaStdTask.py b/port/linux/package/pikascript/PikaStdTask.py
index ea19b9272..da599d389 100644
--- a/port/linux/package/pikascript/PikaStdTask.py
+++ b/port/linux/package/pikascript/PikaStdTask.py
@@ -5,33 +5,33 @@ import PikaStdData
 class Task(TinyObj):
     calls = PikaStdData.List()
 
-    def __init__():
+    def __init__(self):
         pass
 
     # regist a function to be called always
-    def call_always(fun_todo: any):
+    def call_always(self, fun_todo: any):
         pass
     
     # regist a function to be called when fun_when() return 'True'
-    def call_when(fun_todo: any, fun_when: any):
+    def call_when(self, fun_todo: any, fun_when: any):
         pass
 
     # regist a function to be called periodically 
-    def call_period_ms(fun_todo: any, period_ms: int):
+    def call_period_ms(self, fun_todo: any, period_ms: int):
         pass
 
     # run all registed function once
-    def run_once():
+    def run_once(self):
         pass
 
     # run all registed function forever
-    def run_forever():
+    def run_forever(self):
         pass
 
     # run all registed function until time is up
-    def run_until_ms(until_ms: int):
+    def run_until_ms(self, until_ms: int):
         pass
 
     # need be overried to supply the system tick
-    def platformGetTick():
+    def platformGetTick(self):
         pass