Improve support for plaintext

Author: b-long

src/otdf_python/kas_client.py

@@ -372,9 +372,7 @@ def _get_public_key_with_connect_rpc(self, kas_info):
                 "Using SSL verification disabled HTTP client for public key retrieval"
             )
             urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
-            http_client = urllib3.PoolManager(
-                cert_reqs="CERT_NONE", assert_hostname=False
-            )
+            http_client = urllib3.PoolManager(cert_reqs="CERT_NONE")
 
         try:
             # For Connect RPC, we need to use the base platform URL without /kas
@@ -623,9 +621,7 @@ def _unwrap_with_connect_rpc(self, key_access, signed_token, policy_json):  # no
             # Disable SSL verification warnings and certificate verification
             logging.info("Using SSL verification disabled HTTP client for unwrap")
             urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
-            http_client = urllib3.PoolManager(
-                cert_reqs="CERT_NONE", assert_hostname=False
-            )
+            http_client = urllib3.PoolManager(cert_reqs="CERT_NONE")
 
         # Create Connect RPC client with configured HTTP client
         # For Connect RPC, we need to use the base platform URL without /kas