fix chromadb ut

.gitignore

@@ -27,6 +27,7 @@ share/python-wheels/
 .installed.cfg
 *.egg
 MANIFEST
+metagpt/tools/schemas/
 
 # PyInstaller
 #  Usually these files are written by a python scripts from a template

metagpt/document_store/chromadb_store.py

@@ -11,7 +11,7 @@ import chromadb
 class ChromaStore:
     """If inherited from BaseStore, or importing other modules from metagpt, a Python exception occurs, which is strange."""
 
-    def __init__(self, name, get_or_create: bool = True):
+    def __init__(self, name: str, get_or_create: bool = False):
         client = chromadb.Client()
         collection = client.create_collection(name, get_or_create=get_or_create)
         self.client = client

tests/metagpt/document_store/test_chromadb_store.py

@@ -12,7 +12,7 @@ from metagpt.document_store.chromadb_store import ChromaStore
 def test_chroma_store():
     """FIXME：chroma使用感觉很诡异，一用Python就挂，测试用例里也是"""
     # 创建 ChromaStore 实例，使用 'sample_collection' 集合
-    document_store = ChromaStore("sample_collection_1")
+    document_store = ChromaStore("sample_collection_1", get_or_create=True)
 
     # 使用 write 方法添加多个文档
     document_store.write(