Add missing type hints to synapse.util (#9982)

1 files changed, 5 insertions, 5 deletions

diff --git a/synapse/util/hash.py b/synapse/util/hash.py

index ba676e1762..7625ca8c2c 100644
--- a/synapse/util/hash.py
+++ b/synapse/util/hash.py
@@ -17,15 +17,15 @@ import hashlib
 import unpaddedbase64
 
 
-def sha256_and_url_safe_base64(input_text):
+def sha256_and_url_safe_base64(input_text: str) -> str:
     """SHA256 hash an input string, encode the digest as url-safe base64, and
     return
 
-    :param input_text: string to hash
-    :type input_text: str
+    Args:
+        input_text: string to hash
 
-    :returns a sha256 hashed and url-safe base64 encoded digest
-    :rtype: str
+    returns:
+        A sha256 hashed and url-safe base64 encoded digest
     """
     digest = hashlib.sha256(input_text.encode()).digest()
     return unpaddedbase64.encode_base64(digest, urlsafe=True)