replace `else: if:` with a literal `elif`

steam/client/__init__.py

@@ -297,8 +297,7 @@ class SteamClient(CMClient, BuiltinBase):
         """
         if not self.connected:
             self._LOG.debug("Trying to send message when not connected. (discarded)")
-        else:
+        elif body_params and isinstance(message, MsgProto):
-            if body_params and isinstance(message, MsgProto):
             proto_fill_from_dict(message.body, body_params)
 
             CMClient.send(self, message)

steam/webauth.py

@@ -179,8 +179,7 @@ class WebAuth(object):
 
         if password:
             self.password = password
-        else:
+        elif self.password:
-            if self.password:
             password = self.password
         else:
             raise LoginIncorrect("password is not specified")
@@ -339,16 +338,14 @@ class MobileWebAuth(WebAuth):
         """
         if oauth_token:
             self.oauth_token = oauth_token
-        else:
+        elif self.oauth_token:
-            if self.oauth_token:
             oauth_token = self.oauth_token
         else:
             raise LoginIncorrect('token is not specified')
 
         if steam_id:
             self.steam_id = SteamID(steam_id)
-        else:
+        elif not self.steam_id:
-            if not self.steam_id:
             raise LoginIncorrect('steam_id is not specified')
 
         steam_id = self.steam_id.as_64