try updated pip; see if it resolves pandas install issue

Author: jlchang

Dockerfile

@@ -23,6 +23,7 @@ RUN apt-get -y update && \
   apt -y install python3.7-dev
 
 RUN python3.7 -m pip install pip
+RUN python3.7 -m pip install --upgrade pip
 
 # Set cleaner defaults (`alias` fails)
 RUN ln -s /usr/bin/python3.7 /usr/bin/python && \
@@ -38,4 +39,4 @@ WORKDIR /scp-ingest-pipeline
 RUN python3.7 -m pip install -r requirements.txt
 
 WORKDIR /scp-ingest-pipeline/ingest
-CMD ["python", "ingest_pipeline.py", "--help"]
+CMD ["python", "ingest_pipeline.py", "--help"]