added flake8 as linter for the jupyterlab

Dockerfile

@@ -10,6 +10,7 @@ RUN conda env update -q -f /tmp/environment.yml && \
     jupyter lab build 
 
 RUN pip3 install --upgrade pip
+RUN pip install jupyterlab_flake8
 
 COPY dash_proxy /tmp/dash_proxy/
 RUN pip install /tmp/dash_proxy/
@@ -19,3 +20,5 @@ RUN pip install /llm_utils/
 
 COPY app /dash/app/
 RUN chown -R jovyan /dash/app/
+
+COPY config.txt ${HOME}/

requirements.txt

@@ -2,11 +2,14 @@ jupyter-server-proxy==4.0.0
 jupyterlab-git==0.42.0
 jupyter_server>=2.0
 
+flake8
+
 dash
 dash-bootstrap-components
 plotly
 
 openai
 rapidfuzz
+nltk
 
 python-dotenv