Closes #13258: Use callable() built-in in the standard library.
diff --git a/Lib/copyreg.py b/Lib/copyreg.py
index 81a1e7f..66c0f8a 100644
--- a/Lib/copyreg.py
+++ b/Lib/copyreg.py
@@ -10,7 +10,7 @@
dispatch_table = {}
def pickle(ob_type, pickle_function, constructor_ob=None):
- if not hasattr(pickle_function, '__call__'):
+ if not callable(pickle_function):
raise TypeError("reduction functions must be callable")
dispatch_table[ob_type] = pickle_function
@@ -20,7 +20,7 @@
constructor(constructor_ob)
def constructor(object):
- if not hasattr(object, '__call__'):
+ if not callable(object):
raise TypeError("constructors must be callable")
# Example: provide pickling support for complex numbers.