Fix Python SDK dependencies (#17)

Author: jiahuei

clients/python/pyproject.toml

@@ -74,6 +74,7 @@ dependencies = [
     "loguru>=0.7.2",
     "numpy>=1.26.0,<2.0.0",
     "orjson>=3.9.7",
+    "pandas",
     "Pillow>=10.0.1",
     "pydantic-settings>=2.0.3",
     "pydantic>=2.4.2",
@@ -88,7 +89,6 @@ lint = ["black~=24.4.2", "flake8~=7.0.0"]
 test = [
     "flaky~=3.8.1",
     "mypy~=1.10.1",
-    "pandas",
     "pytest-asyncio>=0.23.7",
     "pytest-cov~=5.0.0",
     "pytest~=8.2.2",