Possible topics, taken from awesome-python
Admin Panels
Algorithms and Design Patterns
Anti-spam
Asset Management
Audio
Authentication and OAuth
CMS
CUI
Caching
Command-line Tools
Configuration
Cryptography
Data Validation
Data Visualization
Debugging Tools
DevOps Tools
Distribution
Documentation
Downloader
Editor Plugins
Email
Environment Management
Files
Foreign Function Interface
Forms
Functional Programming
Geolocation
HTML Manipulation
HTTP
Hardware
Imagery
Internationalization
Networking
News Feed
Package Management
Processes and Threads
Queue
Search
Tagging
Text Processing
Third-party APIs
URL Manipulation
Video
WSGI Servers
WebSocket
Workflow Execution
Resources
Weekly
