install old version of mrtrix via apt

Author: tclose

.github/workflows/pythonpackage.yml

@@ -55,15 +55,17 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Install Minconda
-      uses: conda-incubator/setup-miniconda@v2
-      with:
-        auto-activate-base: true
-        activate-environment: ""
-    - name: Install MRtrix via Conda
-      run: |
-        conda install -c mrtrix3 mrtrix3
-        mrconvert --version
+    # - name: Install Minconda
+    #   uses: conda-incubator/setup-miniconda@v2
+    #   with:
+    #     auto-activate-base: true
+    #     activate-environment: ""
+    # - name: Install MRtrix via Conda
+    #   run: |
+    #     conda install -c mrtrix3 mrtrix3
+    #     mrconvert --version
+    - name: Install mrtrix
+      run: sudo apt install mrtrix
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with: