fix: restrict to one threads for testing this image in Leipzig same p…

…roblem for the base image used for GANs

data/leuko-expert/base/Dockerfile

@@ -8,3 +8,4 @@ COPY requirements.txt /tmp/requirements.txt
 
 RUN python3 -m pip install --upgrade pip
 RUN pip3 install -r /tmp/requirements.txt
+ENV OMP_NUM_THREADS=1