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KNOWN_ISSUES.md

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Known Issues and Workarounds

Issue #1: Verbose ToolUniverse Loading Messages ⚠️

Problem

When running the protein network analysis, you'll see 40+ error messages like:

❌ Error loading tools from category 'tool_discovery_agents': [Errno 2] No such file or directory...
❌ Error loading tools from category 'web_search_tools': [Errno 2] No such file or directory...
...

Root Cause

This is a ToolUniverse framework limitation, not a bug in our implementation:

  1. ToolUniverse reloads tools on EVERY tool call (4 times in our workflow)
  2. Each reload attempts to load ALL tool categories (100+)
  3. Missing optional tool files generate error messages to stdout
  4. Cannot be suppressed from user code

Impact

  • ❌ Cluttered output: 40+ error lines obscure actual results
  • ❌ Performance: Loading 1232 tools 4 times (~4-8 seconds overhead)
  • ✅ Functionality: No impact - analysis works correctly despite warnings

Workaround #1: Redirect stdout when running (Recommended)

# Suppress ToolUniverse warnings
python python_implementation.py 2>&1 | grep -v "Error loading tools"

# Or save clean output
python python_implementation.py 2>&1 | grep -E "(Phase|✅|🕸|🧬|🔗|Results)" > results.txt

Workaround #2: Use ToolUniverse in quiet mode

Create missing placeholder files (prevents error messages):

cd src/tooluniverse/data/
for f in tool_discovery_agents web_search_tools package_discovery_tools \
         pypi_package_inspector_tools drug_discovery_agents hca_tools \
         clinical_trials_tools iedb_tools pathway_commons_tools biomodels_tools; do
    echo "[]" > "${f}_tools.json"
done

Workaround #3: Filter output programmatically

import sys
from io import StringIO

# Capture output
old_stdout = sys.stdout
sys.stdout = buffer = StringIO()

# Run analysis
result = analyze_protein_network(...)

# Restore and filter output
sys.stdout = old_stdout
output = buffer.getvalue()
clean_output = '\n'.join([
    line for line in output.split('\n')
    if 'Error loading tools' not in line
])
print(clean_output)

Expected Fix

This should be fixed in ToolUniverse core by:

  1. Caching loaded tools (don't reload on every call)
  2. Suppressing warnings for optional missing files
  3. Using proper logging levels (DEBUG vs ERROR)

Status: Framework limitation - workarounds required until fixed upstream.

Issue #2: Performance - Multiple Tool Reloads

Problem

ToolUniverse loads 1232 tools 4 separate times during analysis.

Impact

  • ⚠️ Slow: 4-8 second overhead
  • ⚠️ Memory: 4x memory usage

Workaround

None available - this is how ToolUniverse currently works. Each tool call triggers a reload.

Expected Fix

ToolUniverse should cache loaded tools in memory across calls.

Non-Issues (These are NOT bugs)

✅ Parameter Names

All parameter names are CORRECT:

  • protein_ids (not identifiers) - ✅ Verified in Phase 2
  • gene_names (plural) - ✅ Verified in Phase 2
  • sasbdb_id - ✅ Verified in Phase 2

✅ Implementation Logic

All 4 phases work correctly:

  • Phase 1: 100% mapping success ✅
  • Phase 2: Correct interaction retrieval ✅
  • Phase 3: Valid enrichment analysis ✅
  • Phase 4: Clean error handling ✅

✅ Results Quality

TP53 analysis produces expected results:

  • 10 high-confidence interactions (0.98-0.999)
  • 374 enriched GO terms (p < 0.05)
  • PPI enrichment highly significant (p=1.99e-06)