Capture errors while detecting GPUs

Optimized conda install

Dockerfile

@@ -30,8 +30,8 @@ RUN curl -o Miniconda3-latest-Linux-x86_64.sh https://repo.continuum.io/minicond
   && ./Miniconda3-latest-Linux-x86_64.sh -b -p "${MINICONDA_HOME}" \
 && rm Miniconda3-latest-Linux-x86_64.sh
 COPY conda.txt conda.txt
-RUN conda install -y --file=conda.txt
-RUN conda clean -y -i -l -p -t && \
+RUN conda install -y --file=conda.txt && \
+    conda clean -y -i -l -p -t && \
     rm -f conda.txt
 COPY pip.txt pip.txt
 RUN pip install -r pip.txt && \

conda.txt

@@ -1 +1 @@
-numpy
+numpy==1.15.3

neuralstyle/algorithms.py

@@ -351,7 +351,11 @@ def targetshape(content, size=None):
 
 def gpuname():
     """Returns the model name of the first available GPU"""
-    gpus = GPUtil.getGPUs()
+    try:
+        gpus = GPUtil.getGPUs()
+    except:
+        LOGGER.warning("Unable to detect GPU model")
+        return "UNKNOWN"
     if len(gpus) == 0:
         raise ValueError("No GPUs detected in the system")
     return gpus[0].name
@@ -365,6 +369,6 @@ def maxtile(alg="gatys"):
     """
     gname = gpuname()
     if gname not in GPUCONFIG:
-        LOGGER.warning("Unknown GPU model %s, will use default tiling parameters")
+        LOGGER.warning(f"Unknown GPU model {gname}, will use default tiling parameters")
         gname = "default"
     return GPUCONFIG[gname][alg]

pip.txt

@@ -1 +1 @@
-gputil
+gputil==1.3.0