Merge branch 'master' into save_stats_in_LLAPI

Author: alonre24

opt/system-setup.py

@@ -71,7 +71,7 @@ def common_last(self):
         else:
             self.run("%s/bin/getcmake" % READIES)
 
-        self.pip_install("-r %s/tests/flow/tests_setup/test_requirements.txt" % ROOT)
+        self.pip_install("--ignore-installed PyYAML -r %s/tests/flow/tests_setup/test_requirements.txt" % ROOT)
 
         self.pip_install("awscli")
         self.pip_install("mkdocs mkdocs-material mkdocs-extensions")