Try a different tack

Author: utf

.github/workflows/docs.yml

@@ -21,7 +21,7 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install pip==20.3.4  # fix for github actions failures
+        python -m pip install --upgrade pip
         pip install numpy wheel
         pip install -r requirements.txt
         pip install -e .[docs]

.github/workflows/release.yml

@@ -18,10 +18,9 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install pip==20.3.4  # fix for github actions failures
+          python -m pip install --upgrade pip
           pip install numpy wheel
           pip install -r requirements.txt
-          pip install -e .[mayavi]
           pip install -e .[tests]
           pip install -e .[decimation]
 

.github/workflows/tests.yml

@@ -22,10 +22,9 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install pip==20.3.4  # fix for github actions failures
+        python -m pip install --upgrade pip
         pip install numpy wheel
         pip install -r requirements.txt
-        pip install -e .[mayavi]
         pip install -e .[tests]
         pip install -e .[decimation]
 

ifermi/tests/test_plot.py

@@ -7,11 +7,6 @@
 from ifermi.plot import FermiSlicePlotter, FermiSurfacePlotter
 from ifermi.surface import FermiSurface
 
-try:
-    import open3d
-except ImportError:
-    open3d = None
-
 test_dir = Path(__file__).resolve().parent