Remove yaml in version check

navipy/scripts/check_blender_versions.py

@@ -19,12 +19,12 @@ packages = ['numpy',
             'scipy',
             'networkx',
             'ipython',
-            'yaml',
             'PIL',
             'cv2',
             'fastdtw',
             'statsmodels',
             'sklearn']
+# yaml is not working in requirement so we skip it...
 filereq = 'requirement_blender.txt'
 # Look for packages require by blender and navipy
 # there versions should match