Merge main into dev

cognee/infrastructure/databases/vector/chromadb/ChromaDBAdapter.py

@@ -83,7 +83,7 @@ def process_data_for_chroma(data):
         elif isinstance(value, list):
             # Store lists as JSON strings with special prefix
             processed_data[f"{key}__list"] = json.dumps(value)
-        elif isinstance(value, (str, int, float, bool)) or value is None:
+        elif isinstance(value, (str, int, float, bool)):
             processed_data[key] = value
         else:
             processed_data[key] = str(value)
@@ -553,8 +553,4 @@ async def get_collection_names(self):
             Returns a list of collection names.
         """
         client = await self.get_connection()
-        collections = await client.list_collections()
-        return [
-            collection.name if hasattr(collection, "name") else collection["name"]
-            for collection in collections
-        ]
+        return await client.list_collections()

pyproject.toml

@@ -102,8 +102,8 @@ posthog = ["posthog>=3.5.0,<4"]
 falkordb = ["falkordb>=1.0.9,<2.0.0"]
 groq = ["groq>=0.8.0,<1.0.0"]
 chromadb = [
-    "chromadb>=0.3.0,<0.7",
-    "pypika==0.48.8",
+    "chromadb>=0.6,<0.7",
+    "pypika==0.48.9",
 ]
 docs = ["unstructured[csv, doc, docx, epub, md, odt, org, ppt, pptx, rst, rtf, tsv, xlsx]>=0.18.1,<19"]
 codegraph = [