Don't override default Exception class __init__() and __str__()

methods since we don't change anything.

lib/pan/config.py

@@ -25,11 +25,7 @@
 
 
 class PanConfigError(Exception):
-    def __init__(self, msg):
-        self.msg = msg
-
-    def __str__(self):
-        return self.msg
+    pass
 
 
 class PanConfig:

lib/pan/rc.py

@@ -38,11 +38,7 @@
 
 
 class PanRcError(Exception):
-    def __init__(self, msg):
-        self.msg = msg
-
-    def __str__(self):
-        return self.msg
+    pass
 
 
 class PanRc:

lib/pan/wfapi.py

@@ -109,13 +109,7 @@ def _isbytes(s):
 
 
 class PanWFapiError(Exception):
-    def __init__(self, msg):
-        self.msg = msg
-
-    def __str__(self):
-        if self.msg is None:
-            return ''
-        return self.msg
+    pass
 
 
 class PanWFapi:

lib/pan/xapi.py

@@ -59,13 +59,7 @@
 
 
 class PanXapiError(Exception):
-    def __init__(self, msg):
-        self.msg = msg
-
-    def __str__(self):
-        if self.msg is None:
-            return ''
-        return self.msg
+    pass
 
 
 class PanXapi: