Closes #13258: Use callable() built-in in the standard library.
diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
index e54c53f..8af5065 100644
--- a/Lib/tkinter/__init__.py
+++ b/Lib/tkinter/__init__.py
@@ -1039,7 +1039,7 @@
         for k, v in cnf.items():
             if v is not None:
                 if k[-1] == '_': k = k[:-1]
-                if hasattr(v, '__call__'):
+                if callable(v):
                     v = self._register(v)
                 elif isinstance(v, (tuple, list)):
                     nv = []
@@ -1608,7 +1608,7 @@
         """Bind function FUNC to command NAME for this widget.
         Return the function bound to NAME if None is given. NAME could be
         e.g. "WM_SAVE_YOURSELF" or "WM_DELETE_WINDOW"."""
-        if hasattr(func, '__call__'):
+        if callable(func):
             command = self._register(func)
         else:
             command = func
@@ -3178,7 +3178,7 @@
         elif kw: cnf = kw
         options = ()
         for k, v in cnf.items():
-            if hasattr(v, '__call__'):
+            if callable(v):
                 v = self._register(v)
             options = options + ('-'+k, v)
         self.tk.call(('image', 'create', imgtype, name,) + options)
@@ -3201,7 +3201,7 @@
         for k, v in _cnfmerge(kw).items():
             if v is not None:
                 if k[-1] == '_': k = k[:-1]
-                if hasattr(v, '__call__'):
+                if callable(v):
                     v = self._register(v)
                 res = res + ('-'+k, v)
         self.tk.call((self.name, 'config') + res)
diff --git a/Lib/tkinter/tix.py b/Lib/tkinter/tix.py
index 4884e22..18866c4 100644
--- a/Lib/tkinter/tix.py
+++ b/Lib/tkinter/tix.py
@@ -405,7 +405,7 @@
         elif kw: cnf = kw
         options = ()
         for k, v in cnf.items():
-            if hasattr(v, '__call__'):
+            if callable(v):
                 v = self._register(v)
             options = options + ('-'+k, v)
         return master.tk.call(('image', 'create', imgtype,) + options)