fix: linter tests

Author: prostraction

examples/async/payload.py

@@ -97,7 +97,7 @@ async def demo_sending_messages(self):
         if response.code == 200:
             print("Contact message sent: ", response.data)
 
-        response = await greenAPI.sending.sendLocationAsync(
+        response = await self.greenAPI.sending.sendLocationAsync(
             "79001234567@c.us",
             44.9370129,
             89.8728409,

examples/async/sending/uploadFileAndSendFileByUrlAsync.py

@@ -20,7 +20,7 @@ async def main():
 
         url_file = upload_file_response.data["urlFile"]
         url = urlparse(url_file)
-        file_name = basename(url.path)
+        file_name = os.path.basename(url.path)
 
         send_file_response = await greenAPI.sending.sendFileByUrlAsync(
             "11001234567@c.us", url_file, file_name