Revert "fix: no need async"

This reverts commit 58f8504.

Author: shortcuts

clients/algoliasearch-client-python/algoliasearch/http/user_agent.py

@@ -20,7 +20,5 @@ def get(self) -> str:
         return self.value
 
     def add(self, segment: str, version: Optional[str] = __version__) -> Self:
-        self.value += "; {} ({})".format(
-            segment, __version__ if version is None else version
-        )
+        self.value += "; {} ({})".format(segment, __version__ if version is None else version)
         return self

templates/python/api.mustache

@@ -98,11 +98,11 @@ class {{classname}}{{#isSyncClient}}Sync{{/isSyncClient}}:
         return self._transporter.close()
     {{/isSyncClient}}
 
-    def set_client_api_key(self, api_key: str) -> None:
+    {{^isSyncClient}}async {{/isSyncClient}}def set_client_api_key(self, api_key: str) -> None:
         """Sets a new API key to authenticate requests."""
         self._transporter.config.set_client_api_key(api_key)
 
-    def add_user_agent(self, segment: str, version: Optional[str] = None) -> None:
+    {{^isSyncClient}}async {{/isSyncClient}}def add_user_agent(self, segment: str, version: Optional[str] = None) -> None:
         """adds a segment to the default user agent, and update the headers sent with each requests as well"""
         self._transporter.config.add_user_agent(segment, version)