Cannot import MilvusClient without first setting MILVUS_URI environment variables to './milvus.db'

[zc277584121]

Cannot import MilvusClient without first setting MILVUS_URI environment variables to './milvus.db'

MILVUS_URI=./milvus.db python -c "from pymilvus import MilvusClient"

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/__init__.py", line 33, in <module>
    from .milvus_client import MilvusClient
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/milvus_client/__init__.py", line 2, in <module>
    from .milvus_client import MilvusClient
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/milvus_client/milvus_client.py", line 22, in <module>
    from pymilvus.orm import utility
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/orm/utility.py", line 26, in <module>
    from .connections import connections
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/orm/connections.py", line 546, in <module>
    connections = Connections()
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/orm/connections.py", line 58, in __call__
    cls.instance.__init__(*args, **kwargs)
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/orm/connections.py", line 141, in __init__
    address, parsed_uri = self.__parse_address_from_uri(Config.MILVUS_URI)
  File "/Users/zilliz/zilliz/langchain-milvus/libs/milvus/.venv/lib/python3.10/site-packages/pymilvus/orm/connections.py", line 177, in __parse_address_from_uri
    raise ConnectionConfigException(message=f"{illegal_uri_msg.format(uri)}") from None
pymilvus.exceptions.ConnectionConfigException: <ConnectionConfigException: (code=1, message=Illegal uri: [./milvus.db], expected form 'http[s]://[user:password@]example.com[:12345]')>

Some high-level applications use environment variables to pass into Milvus settings, which cannot bypass this problem. Such as DocsGPT, or some tutorial