Revision history [back]

Pyrebase may return None when uploading a file to Firebase due to various reasons such as:

1. The file path is incorrect or the file does not exist: Pyrebase requires the correct file path and filename to upload a file. If the path is incorrect or the file does not exist, then Pyrebase will return None.

2. The Firebase storage rules are not set correctly: Firebase has storage rules that determine who can upload and access files. If the storage rules are not set correctly, then Pyrebase may not be able to upload the file and will return None.

3. Internet connectivity issues: Pyrebase requires a stable internet connection to upload a file to Firebase. If the internet connection is unstable or slow, then Pyrebase may not be able to upload the file and will return None.

4. Insufficient permissions: The Firebase account used to upload the file may not have sufficient permissions to upload files to Firebase. If the account used to upload the file does not have the necessary permissions, then Pyrebase may not be able to upload the file and will return None.

To diagnose the issue, it is necessary to check the Pyrebase error logs and the Firebase storage rules to identify the cause of the issue.