Upgrade pip

Author: stchris

Dockerfile

@@ -121,6 +121,7 @@ RUN mkdir /models/ && \
   curl --keepalive-time 2 -o "/models/model_type_prediction.ftz" "https://public.data.occrp.org/develop/models/types/type-08012020-7a69d1b.ftz"
 
 COPY requirements.txt /tmp/
+RUN pip install --upgrade pip
 RUN pip3 install --no-cache-dir --no-binary "tesserocr" --no-binary "Pillow" -r /tmp/requirements.txt
 
 # Install spaCy models