diff --git a/.github/workflows/debug_raw_githubusercontent.yaml b/.github/workflows/debug_raw_githubusercontent.yaml
index 689bfe5..5cdcee6 100644
--- a/.github/workflows/debug_raw_githubusercontent.yaml
+++ b/.github/workflows/debug_raw_githubusercontent.yaml
@@ -7,42 +7,92 @@ jobs:
   debug:
     runs-on: ubuntu-latest
     steps:
-      - name: Test raw.githubusercontent.com responses
-        run: |
-          for URL in \
-            "https://raw.githubusercontent.com/balancer/bal_addresses/refs/heads/main/extras/chains.json" \
-            "https://raw.githubusercontent.com/balancer/bal_addresses/main/extras/chains.json" \
-            "https://raw.githubusercontent.com/BalancerMaxis/bal_addresses/main/extras/chains.json"; do
-            echo "=== $URL ==="
-            echo "--- Headers ---"
-            curl -sI "$URL"
-            echo "--- Status code ---"
-            curl -s -o /dev/null -w "HTTP %{http_code}\n" "$URL"
-            echo "--- First 200 bytes ---"
-            curl -s "$URL" | head -c 200
-            echo ""
-            echo ""
-          done
-
-      - name: Test Python requests behavior
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup Python 3.10
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.10"
+
+      - name: Install dependencies (same as trigger_fee_collection)
+        run: pip3 install -r requirements.txt
+
+      - name: Debug
         run: |
-          pip3 install requests
-          python3 -c "
+          python3 << 'PYEOF'
+          import sys, json
+          print(f"Python: {sys.version}")
+
+          # Check if json module has been monkey-patched
+          print(f"\n=== json module identity ===")
+          print(f"json module: {json}")
+          print(f"json.loads: {json.loads}")
+          print(f"json.JSONDecoder: {json.JSONDecoder}")
+
+          # Check if json_fix is installed and what it does
+          try:
+              import json_fix
+              print(f"json_fix version: {json_fix.__version__ if hasattr(json_fix, '__version__') else 'unknown'}")
+              print(f"json.loads after json_fix: {json.loads}")
+          except ImportError:
+              print("json_fix not installed")
+
+          # Check what requests uses for JSON
           import requests
+          print(f"\n=== requests JSON backend ===")
+          print(f"requests: {requests.__version__}")
+          from requests.compat import complexjson
+          print(f"complexjson: {complexjson}")
+          print(f"complexjson.loads: {complexjson.loads}")
+
+          # Check if simplejson is available
+          try:
+              import simplejson
+              print(f"simplejson: {simplejson.__version__}")
+          except ImportError:
+              print("simplejson not installed")
+
+          # Test the exact URLs used at import time
+          print(f"\n=== Testing raw.githubusercontent.com URLs ===")
           urls = [
-              'https://raw.githubusercontent.com/balancer/bal_addresses/refs/heads/main/extras/chains.json',
-              'https://raw.githubusercontent.com/balancer/bal_addresses/main/extras/chains.json',
+              "https://raw.githubusercontent.com/balancer/bal_addresses/refs/heads/main/extras/chains.json",
+              "https://raw.githubusercontent.com/balancer/bal_addresses/main/extras/chains.json",
+              "https://raw.githubusercontent.com/balancer/bal_addresses/main/extras/func_desc_by_name.json",
           ]
           for url in urls:
-              print(f'=== {url} ===')
               resp = requests.get(url)
-              print(f'Status: {resp.status_code}')
-              print(f'Content-Type: {resp.headers.get(\"content-type\")}')
-              print(f'Body[:200]: {resp.text[:200]}')
+              print(f"\n{url}")
+              print(f"  Status: {resp.status_code}")
+              print(f"  Encoding: {resp.encoding}")
+              print(f"  Bytes[:20]: {resp.content[:20]}")
+              print(f"  Text[:100]: {repr(resp.text[:100])}")
               try:
                   resp.json()
-                  print('json(): OK')
+                  print(f"  json(): OK")
               except Exception as e:
-                  print(f'json(): FAILED - {e}')
-              print()
-          "
+                  print(f"  json(): FAILED - {e}")
+
+          # Test the actual import chain that fails in CI
+          print(f"\n=== Importing bal_tools (the first thing that crashes) ===")
+          try:
+              from bal_tools.utils import CHAINS
+              print(f"OK - keys: {list(CHAINS.keys())}")
+          except Exception as e:
+              print(f"FAILED: {type(e).__name__}: {e}")
+
+          print(f"\n=== Importing bal_addresses ===")
+          try:
+              from bal_addresses import AddrBook
+              print(f"OK - chains: {list(AddrBook.chain_ids_by_name.keys())[:5]}")
+          except Exception as e:
+              print(f"FAILED: {type(e).__name__}: {e}")
+
+          # Test the exact import main_combined.py does
+          print(f"\n=== Importing fee_allocator (exact CI import chain) ===")
+          try:
+              from fee_allocator.fee_allocator import FeeAllocator
+              print("OK")
+          except Exception as e:
+              print(f"FAILED: {type(e).__name__}: {e}")
+          PYEOF