fix: broken upload_media method

Fix broken upload media method (closes #59)
Add upload media file to tests

tests/async_tests.py

@@ -8,7 +8,7 @@
 phone_number_id = {1: getenv("TEST_PHONE_NUMBER_ID")}
 dest_phone_number = getenv("DEST_PHONE_NUMBER")
 
-app = AsyncWhatsApp(token=token, phone_number_id=phone_number_id, update_check=False)
+app = WhatsApp(token=token, phone_number_id=phone_number_id, update_check=False)
 loop = asyncio.get_event_loop()
 msg = app.create_message(to=dest_phone_number, content="Hello world")
 
@@ -138,4 +138,13 @@ async def run_test():
     await asyncio.sleep(60)
 
 
-asyncio.run(run_test())
+async def upload():
+    print("uploading media")
+    v = app.upload_media(
+        'C:/Users///logo.jpg',
+        sender=1
+    )
+    print(f"upload_media: {v}")
+    print("uploading media")
+
+asyncio.run(upload())

whatsapp/async_ext/_media.py

@@ -44,25 +44,18 @@ async def upload_media(self, media: str, sender=None) -> asyncio.Future:
     headers["Content-Type"] = form_data.content_type
     logging.info(f"Content-Type: {form_data.content_type}")
     logging.info(f"Uploading media {media}")
-
-    async def call():
-        async with aiohttp.ClientSession() as session:
-            async with session.post(
-                f"https://graph.facebook.com/{self.LATEST}/{sender}/media",
-                headers=headers,
-                data=form_data,
-            ) as r:
-                if r.status == 200:
-                    logging.info(f"Media {media} uploaded")
-                    return await r.json()
-                logging.info(f"Error uploading media {media}")
-                logging.info(f"Status code: {r.status}")
-                logging.info(f"Response: {await r.json()}")
-                return await r.json()
-
-    f = asyncio.ensure_future(call())
-    await asyncio.sleep(0.001)  # make asyncio run the task
-    return f
+    r = aiohttp.post(
+        f"{self.base_url}/{sender}/media",
+        headers=headers,
+        data=form_data,
+    )
+    if r.status_code == 200:
+        logging.info(f"Media {media} uploaded")
+        return r.json()
+    logging.info(f"Error uploading media {media}")
+    logging.info(f"Status code: {r.status_code}")
+    logging.debug(f"Response: {r.json()}")  # Changed to debug level
+    return None
 
 
 async def delete_media(self, media_id: str) -> asyncio.Future: