Merge pull request #219 from stanfordnmbl/error-2-hrnet-detection-pose

Intercepting error of human detection pose not detected in hrnet.

utilsDetector.py

@@ -319,9 +319,13 @@ def runMMposeVideo(
 
                 # copy /data/output to pathOutputPkl
                 os.system("cp /data/output_mmpose/* {pathOutputPkl}/".format(pathOutputPkl=pathOutputPkl))
-                pkl_path_tmp = os.path.join(pathOutputPkl, 'human.pkl')            
-                os.rename(pkl_path_tmp, pklPath)
-
+                pkl_path_tmp = os.path.join(pathOutputPkl, 'human.pkl')
+                if os.path.exists(pkl_path_tmp):
+                    os.rename(pkl_path_tmp, pklPath)
+                else:
+                    raise FileNotFoundError(
+                        "We could not detect any pose in your video. Please verify that the subject is correctly in front of the camera."
+                    )
             except Exception as e:
                 if len(e.args) == 2: # specific exception
                     raise Exception(e.args[0], e.args[1])