loosen project requirements

requirements.txt

@@ -1,25 +1,24 @@
 # dependencies
-asyncio==3.4.3
-beautifulsoup4==4.12.2
-colorama==0.4.6
-duckduckgo_search==4.1.1
-md2pdf==1.0.1
-playwright==1.40.0
-openai~=1.6.1
-python-dotenv~=1.0.0
-pyyaml==6.0.1
-selenium==4.15.2
-webdriver-manager==4.0.1
-uvicorn==0.24.0.post1
-pydantic==2.5.1
-fastapi==0.104.1
-python-multipart==0.0.6
-markdown==3.5.1
-langchain==0.0.353
-tavily-python==0.3.1
-permchain==0.0.6
-arxiv==2.0.0
-PyMuPDF==1.23.6
-requests==2.31.0
-jinja2==3.1.2
-aiofiles~=23.2.1
+asyncio
+beautifulsoup4
+colorama
+duckduckgo_search
+md2pdf
+playwright
+openai
+python-dotenv
+pyyaml
+selenium
+webdriver-manager
+uvicorn
+pydantic
+fastapi
+python-multipart
+markdown
+langchain
+tavily-python
+arxiv
+PyMuPDF
+requests
+jinja2
+aiofiles