exlcude more

Author: jbrockmendel

Makefile

@@ -36,5 +36,5 @@ check:
 	python3 scripts/validate_unwanted_patterns.py \
 		--validation-type="private_import_across_module" \
 		--included-file-extensions="py" \
-		--excluded-file-paths=pandas/tests/,asv_bench/
+		--excluded-file-paths=pandas/tests,asv_bench/,pandas/_vendored,doc/
 		pandas/