Fix some build issues (remove yaml import for test)

Author: ArzhelaR

.github/workflows/model-view-ci.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest numpy coverage pygame matplotlib scipy shapely yaml
+        pip install flake8 pytest numpy coverage pygame matplotlib scipy shapely
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |

mesh_model/mesh_analysis/trimesh_analysis.py

@@ -8,7 +8,6 @@
 
 import numpy as np
 import matplotlib.pyplot as plt
-from yaml import warnings
 
 from mesh_model.mesh_analysis.global_mesh_analysis import GlobalMeshAnalysis, NodeAnalysis
 from mesh_model.mesh_struct.mesh_elements import Dart, Node, Face