[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

python/taichi/tools/diagnose.py

@@ -16,9 +16,9 @@ def main():
     print(f"platform: {platform.platform()}")
     print(f'architecture: {" ".join(platform.architecture())}')
     print(f"uname: {platform.uname()}")
-    locale.setlocale(locale.LC_ALL, '')
+    locale.setlocale(locale.LC_ALL, "")
     loc, enc = locale.getlocale(), locale.getpreferredencoding()
-    print(f'locale: {loc[0]}.{enc if enc else loc[1]}')
+    print(f"locale: {loc[0]}.{enc if enc else loc[1]}")
     print(f'PATH: {os.environ.get("PATH")}')
     print(f"PYTHONPATH: {sys.path}")
     print("")