I don't feel good to install beta versions in stable releases, even i…

…f it is 10times faster

galaxy/Dockerfile

@@ -105,7 +105,7 @@ RUN wget --quiet https://repo.anaconda.com/miniconda/Miniconda2-4.5.11-Linux-x86
     echo "conda activate base" >> $GALAXY_HOME/.bashrc && \
     export PATH=/tool_deps/_conda/bin/:$PATH && \
     conda install virtualenv pip && \
-    conda install conda-canary::conda=4.6 && \
+    # conda install conda-canary::conda=4.6 && \
     chown $GALAXY_USER:$GALAXY_USER -R /tool_deps/ /etc/profile.d/conda.sh && \
     mkdir $GALAXY_ROOT && \
     wget -q -O - $GALAXY_REPO/archive/$GALAXY_RELEASE.tar.gz | tar xzf - --strip-components=1 -C $GALAXY_ROOT && \