update to chroma 0.6.0 (#1270)

.github/workflows/chroma.yml

@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
       - name: Support longpaths

integrations/chroma/pyproject.toml

@@ -7,15 +7,14 @@ name = "chroma-haystack"
 dynamic = ["version"]
 description = ''
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = "Apache-2.0"
 keywords = []
 authors = [{ name = "John Doe", email = "[email protected]" }]
 classifiers = [
   "License :: OSI Approved :: Apache Software License",
   "Development Status :: 4 - Beta",
   "Programming Language :: Python",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
@@ -24,8 +23,7 @@ classifiers = [
 ]
 dependencies = [
   "haystack-ai",
-  "chromadb>=0.5.17",
-  "typing_extensions>=4.8.0"
+  "chromadb>=0.6.0",
   ]
 
 [project.urls]

integrations/chroma/src/haystack_integrations/document_stores/chroma/document_store.py

@@ -116,7 +116,7 @@ def _ensure_initialized(self):
             if "hnsw:space" not in self._metadata:
                 self._metadata["hnsw:space"] = self._distance_function
 
-            if self._collection_name in [c.name for c in client.list_collections()]:
+            if self._collection_name in client.list_collections():
                 self._collection = client.get_collection(self._collection_name, embedding_function=self._embedding_func)
 
                 if self._metadata != self._collection.metadata: