diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 66a3886221f2..d809f8bd7398 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,7 +39,7 @@ jobs:
           python -m pip install --upgrade pip wheel
           pip install -e .
           python -c "import autogen"
-          pip install -e. pytest mock
+          pip install pytest mock
       - name: Set AUTOGEN_USE_DOCKER based on OS
         shell: bash
         run: |
@@ -53,8 +53,7 @@ jobs:
       - name: Coverage
         if: matrix.python-version == '3.10'
         run: |
-          pip install -e .[test]
-          pip install -e .[redis]
+          pip install -e .[test,redis]
           coverage run -a -m pytest test --ignore=test/agentchat/contrib --skip-openai
           coverage xml
       - name: Upload coverage to Codecov
diff --git a/autogen/cache/__init__.py b/autogen/cache/__init__.py
index e69de29bb2d1..0eb8cfa71c85 100644
--- a/autogen/cache/__init__.py
+++ b/autogen/cache/__init__.py
@@ -0,0 +1,3 @@
+from .cache import Cache
+
+__all__ = ["Cache"]
diff --git a/autogen/cache/cache.py b/autogen/cache/cache.py
index fbcfb9a9fc36..d20aadef9370 100644
--- a/autogen/cache/cache.py
+++ b/autogen/cache/cache.py
@@ -1,4 +1,3 @@
-import os
 from typing import Dict, Any
 
 from autogen.cache.cache_factory import CacheFactory
diff --git a/autogen/version.py b/autogen/version.py
index 6cd38b746590..c49a95c35721 100644
--- a/autogen/version.py
+++ b/autogen/version.py
@@ -1 +1 @@
-__version__ = "0.2.7"
+__version__ = "0.2.8"
diff --git a/test/agentchat/test_cache_agent.py b/test/agentchat/test_cache_agent.py
index deb5e377923c..8da9a919f849 100644
--- a/test/agentchat/test_cache_agent.py
+++ b/test/agentchat/test_cache_agent.py
@@ -5,7 +5,7 @@
 import pytest
 import autogen
 from autogen.agentchat import AssistantAgent, UserProxyAgent
-from autogen.cache.cache import Cache
+from autogen.cache import Cache
 
 sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
 from conftest import skip_openai, skip_redis  # noqa: E402
diff --git a/test/conftest.py b/test/conftest.py
index fd65deccea7f..9992615403c5 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -1,15 +1,17 @@
 import pytest
 
 skip_openai = False
+skip_redis = False
 
 
-# Registers command-line option '--skip-openai' via pytest hook.
-# When this flag is set, it indicates that tests requiring OpenAI should be skipped.
+# Registers command-line option '--skip-openai' and '--skip-redis' via pytest hook.
+# When these flags are set, it indicates that tests requiring OpenAI or Redis (respectively) should be skipped.
 def pytest_addoption(parser):
     parser.addoption("--skip-openai", action="store_true", help="Skip all tests that require openai")
+    parser.addoption("--skip-redis", action="store_true", help="Skip all tests that require redis")
 
 
-# pytest hook implementation extracting the '--skip-openai' command line arg and exposing it globally
+# pytest hook implementation extracting the '--skip-openai' and '--skip-redis' command line arg and exposing it globally
 @pytest.hookimpl(tryfirst=True)
 def pytest_configure(config):
     global skip_openai