[CI] Updated by review (#36083)

Updated by review & Added missing import.

Closes #36083

PiperOrigin-RevId: 614017839

src/python/grpcio/commands.py

@@ -284,11 +284,11 @@ class BuildExt(build_ext.build_ext):
             def new_compile(obj, src, ext, cc_args, extra_postargs, pp_opts):
                 if src.endswith(".c"):
                     extra_postargs = [
-                        arg for arg in extra_postargs if not "-std=c++" in arg
+                        arg for arg in extra_postargs if "-std=c++" not in arg
                     ]
                 elif src.endswith(".cc") or src.endswith(".cpp"):
                     extra_postargs = [
-                        arg for arg in extra_postargs if not "-std=gnu99" in arg
+                        arg for arg in extra_postargs if "-std=gnu99" not in arg
                     ]
                 return old_compile(
                     obj, src, ext, cc_args, extra_postargs, pp_opts

tools/distrib/python/grpcio_tools/setup.py

@@ -23,6 +23,7 @@ import subprocess
 from subprocess import PIPE
 import sys
 import sysconfig
+import traceback
 
 import setuptools
 from setuptools import Extension
@@ -141,11 +142,11 @@ class BuildExt(build_ext.build_ext):
         def new_compile(obj, src, ext, cc_args, extra_postargs, pp_opts):
             if src.endswith(".c"):
                 extra_postargs = [
-                    arg for arg in extra_postargs if not "-std=c++" in arg
+                    arg for arg in extra_postargs if "-std=c++" not in arg
                 ]
             elif src.endswith(".cc") or src.endswith(".cpp"):
                 extra_postargs = [
-                    arg for arg in extra_postargs if not "-std=c11" in arg
+                    arg for arg in extra_postargs if "-std=c11" not in arg
                 ]
             return old_compile(obj, src, ext, cc_args, extra_postargs, pp_opts)