Enhanced Error Handling in Streamlit for PromptFlow

• Day: 2025-07-13
• Time: 20:00 to 20:30
• Project: Dev
• Workspace: WP 2: Operational
• Status: Completed
• Priority: MEDIUM
• Assignee: Matías Nehuen Iglesias
• Tags: Streamlit, Promptflow, Python, Error Handling, Subprocess

Description

Session Goal

The session aimed to enhance error handling and output visibility in a Streamlit script used for PromptFlow operations, specifically focusing on the 09_run_promptflow.py script.

Key Activities

• Improved error visibility and output handling in the Streamlit UI by refining the run_step() function.
• Addressed a ModuleNotFoundError related to ‘promptflow.tools’ in the Azure PromptFlow SDK.
• Diagnosed and resolved a version mismatch issue with PromptFlow tools, suggesting upgrades for compatibility.
• Provided solutions to handle non-existent [[promptflow]]-tools==1.18.1 package on PyPI.
• Suggested fixes for environment inheritance issues in subprocesses when running commands in Streamlit versus the terminal.
• Corrected the PYTHONPATH in subprocess environments to resolve import issues.

Achievements

• Successfully enhanced the error handling capabilities of the Streamlit script.
• Resolved import and version mismatch issues associated with PromptFlow tools, ensuring compatibility and correct execution.
• Improved subprocess environment management, leading to more reliable script execution in different contexts.

Pending Tasks

• Further testing is needed to ensure all edge cases are handled in the Streamlit environment.
• Continuous monitoring for any new version-related issues in PromptFlow tools.
• Documentation update to reflect changes in error handling and environment management strategies.

Evidence

• source_file=2025-07-13.sessions.jsonl, line_number=1, event_count=0, session_id=9d7c35777c0207f4575f734c601e85f8a73c6a5ddf7e3467760c9bb5bb0def6c
• event_ids: []