Fix latest Windows build issues.

build.cmd

@@ -195,8 +195,12 @@ echo "#################################"
 :: Setting native code build environment
 echo Setting native build environment ...
 set _VSWHERE="%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
+set vswhereOutputFile=vswhereOutput.tmp
+
 if exist %_VSWHERE% (
-  for /f "usebackq tokens=*" %%i in (`%_VSWHERE% -latest -prerelease -property installationPath`) do set _VSCOMNTOOLS=%%i\Common7\Tools
+  %_VSWHERE% -version "[15.0,16.0)" -latest -prerelease -property installationPath > %vswhereOutputFile%
+  for /f "tokens=* delims=" %%i in (%vswhereOutputFile%) do set _VSCOMNTOOLS=%%i\Common7\Tools
+  del %vswhereOutputFile%
 )
 if not exist "%_VSCOMNTOOLS%" set _VSCOMNTOOLS=%VS140COMNTOOLS%
 if not exist "%_VSCOMNTOOLS%" goto :MissingVersion

src/python/tools/code_fixer.py

@@ -310,5 +310,6 @@ def run_autoflake(filename):
     args.expand_star_imports = None
     args.remove_duplicate_keys = None
     args.remove_unused_variables = None
-    args.ignore_init_module_imports = False
+    args.ignore_init_module_imports = None
+    args.check = None
     autoflake.fix_file(filename, args=args, standard_out=sys.stdout)