pythongh-99325: Remove unused NameError handling (python#99326)

Author: sobolevn

Lib/copyreg.py

@@ -25,16 +25,10 @@ def constructor(object):
 
 # Example: provide pickling support for complex numbers.
 
-try:
-    complex
-except NameError:
-    pass
-else:
+def pickle_complex(c):
+    return complex, (c.real, c.imag)
 
-    def pickle_complex(c):
-        return complex, (c.real, c.imag)
-
-    pickle(complex, pickle_complex, complex)
+pickle(complex, pickle_complex, complex)
 
 def pickle_union(obj):
     import functools, operator

Lib/tarfile.py

@@ -57,13 +57,9 @@
     grp = None
 
 # os.symlink on Windows prior to 6.0 raises NotImplementedError
-symlink_exception = (AttributeError, NotImplementedError)
-try:
-    # OSError (winerror=1314) will be raised if the caller does not hold the
-    # SeCreateSymbolicLinkPrivilege privilege
-    symlink_exception += (OSError,)
-except NameError:
-    pass
+# OSError (winerror=1314) will be raised if the caller does not hold the
+# SeCreateSymbolicLinkPrivilege privilege
+symlink_exception = (AttributeError, NotImplementedError, OSError)
 
 # from tarfile import *
 __all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError", "ReadError",