Update app.py

app.py

@@ -1,3 +1,20 @@
+# ── DIAGNOSTICS (top of file) ─────────────────────────────────────────────
+import pkgutil, os, sentence_transformers, bertopic, json, sys
+print("ST:", sentence_transformers.__version__, "BERTopic:", bertopic.__version__)
+print("models path:", sentence_transformers.models.__path__)
+print("models contents:", [m.name for m in pkgutil.iter_modules(sentence_transformers.models.__path__)])
+sys.stdout.flush()
+# ─────────────────────────────────────────────────────────────────────────
+
+# ── regular imports and monkey-patch if you choose ───────────────────────
+from bertopic import BERTopic
+# optionally:
+# import bertopic.backend._sentencetransformers as st_back
+# from sentence_transformers.models import Transformer
+# st_back.StaticEmbedding = Transformer
+
+from fastapi import FastAPI, HTTPException
+
 # ---------- BEGIN app.py ----------
 import os, sys, json, uuid, types