[3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620)

Turn deprecation warnings added in 3.8 into TypeError.

1 files changed, 1 insertions, 17 deletions

diff --git a/Lib/bdb.py b/Lib/bdb.py
index 96e7d18..fd34976 100644
--- a/Lib/bdb.py
+++ b/Lib/bdb.py
@@ -618,26 +618,11 @@ class Bdb:
 
     # This method is more useful to debug a single function call.
 
-    def runcall(*args, **kwds):
+    def runcall(self, func, /, *args, **kwds):
         """Debug a single function call.
 
         Return the result of the function call.
         """
-        if len(args) >= 2:
-            self, func, *args = args
-        elif not args:
-            raise TypeError("descriptor 'runcall' of 'Bdb' object "
-                            "needs an argument")
-        elif 'func' in kwds:
-            func = kwds.pop('func')
-            self, *args = args
-            import warnings
-            warnings.warn("Passing 'func' as keyword argument is deprecated",
-                          DeprecationWarning, stacklevel=2)
-        else:
-            raise TypeError('runcall expected at least 1 positional argument, '
-                            'got %d' % (len(args)-1))
-
         self.reset()
         sys.settrace(self.trace_dispatch)
         res = None
@@ -649,7 +634,6 @@ class Bdb:
             self.quitting = True
             sys.settrace(None)
         return res
-    runcall.__text_signature__ = '($self, func, /, *args, **kwds)'
 
 
 def set_trace():