make it warning

Author: sai-sunder-s

docs/user-guide.rst

@@ -29,14 +29,14 @@ that supports OpenID Connect (OIDC).
 Obtaining credentials
 ---------------------
 
-Important: If you accept a credential configuration (credential JSON/File/Stream)
+.. warning:::Important: If you accept a credential configuration (credential JSON/File/Stream)
 from an external source for authentication to Google Cloud Platform, you must
 validate it before providing it to any Google API or client library. Providing an
 unvalidated credential configuration to Google APIs or libraries can compromise
-the security of your systems and data. For more information, refer to 
+the security of your systems and data. For more information, refer to
 `Validate credential configurations from external sources`_.
 
-.. _Validate credential configurations from external sources: 
+.. _Validate credential configurations from external sources:
     https://cloud.google.com/docs/authentication/external/externally-sourced-credentials
 
 .. _application-default:

google/auth/_default.py

@@ -85,14 +85,14 @@ def load_credentials_from_file(
     user credentials, external account credentials, or impersonated service
     account credentials.
 
-    Important: If you accept a credential configuration (credential JSON/File/Stream)
+    .. warning:::Important: If you accept a credential configuration (credential JSON/File/Stream)
     from an external source for authentication to Google Cloud Platform, you must
     validate it before providing it to any Google API or client library. Providing an
     unvalidated credential configuration to Google APIs or libraries can compromise
-    the security of your systems and data. For more information, refer to 
+    the security of your systems and data. For more information, refer to
     `Validate credential configurations from external sources`_.
 
-    .. _Validate credential configurations from external sources: 
+    .. _Validate credential configurations from external sources:
         https://cloud.google.com/docs/authentication/external/externally-sourced-credentials
 
     Args:
@@ -147,14 +147,14 @@ def load_credentials_from_dict(
     user credentials, external account credentials, or impersonated service
     account credentials.
 
-    Important: If you accept a credential configuration (credential JSON/File/Stream)
+    .. warning:::Important: If you accept a credential configuration (credential JSON/File/Stream)
     from an external source for authentication to Google Cloud Platform, you must
     validate it before providing it to any Google API or client library. Providing an
     unvalidated credential configuration to Google APIs or libraries can compromise
-    the security of your systems and data. For more information, refer to 
+    the security of your systems and data. For more information, refer to
     `Validate credential configurations from external sources`_.
 
-    .. _Validate credential configurations from external sources: 
+    .. _Validate credential configurations from external sources:
         https://cloud.google.com/docs/authentication/external/externally-sourced-credentials
 
     Args: