Fix crash problem

DBHelper.py

@@ -1,4 +1,7 @@
 import pyrebase
+import sys
+
+pwd = sys.path[0]
 
 firebaseConfig = {
     'apiKey': "AIzaSyAdL0W5HscjEDFPK4BDi6Cnc7FLa30GPYY",
@@ -9,7 +12,7 @@ firebaseConfig = {
     'messagingSenderId': "163692530359",
     'appId': "1:163692530359:web:b6dc7ccfc56a79afb11b32",
     'measurementId': "G-EPWP2LK89Q",
-    'serviceAccount': 'vehicleantitheftrecognition-firebase-adminsdk-krrgw-05da515de5.json'
+    'serviceAccount': pwd + '/vehicleantitheftrecognition-firebase-adminsdk-krrgw-05da515de5.json'
 }
 
 firebase = pyrebase.initialize_app(firebaseConfig)

Facial_Recognition_Inference.py

@@ -26,7 +26,7 @@ def inference():
     index = np.load(pwd + '/Facial_models/index.pkl', allow_pickle=True)
     faceDescriptorsEnrolled = np.load(pwd + '/Facial_models/descriptors.npy')
 
-    cam = cv2.VideoCapture(0)
+    cam = cv2.VideoCapture(1)
     count = 0
 
     x1 = x2 = y1 = y2 = 0
@@ -81,14 +81,14 @@ def inference():
 
                 # print("time taken = {:.3f} seconds".format(time.time() - t))
 
-        cv2.rectangle(im, (x1, y1), (x2, y2), (0, 255, 0), 2)
-        font_face = cv2.FONT_HERSHEY_SIMPLEX
-        font_scale = 0.8
-        text_color = (0, 255, 0)
-        printLabel = '{} {:0.4f}'.format(label, minDistance)
-        cv2.putText(im, printLabel, (int(x1), int(y1)), font_face, font_scale, text_color, thickness=2)
+                cv2.rectangle(im, (x1, y1), (x2, y2), (0, 255, 0), 2)
+                font_face = cv2.FONT_HERSHEY_SIMPLEX
+                font_scale = 0.8
+                text_color = (0, 255, 0)
+                printLabel = '{} {:0.4f}'.format(label, minDistance)
+                cv2.putText(im, printLabel, (int(x1), int(y1)), font_face, font_scale, text_color, thickness=2)
 
-        cv2.imshow('img', im)
+            cv2.imshow('img', im)
 
         k = cv2.waitKey(1) & 0xff
         if k == 27:

Main.py

@@ -1,5 +1,5 @@
 import DBHelper
-import Start_Engine
+import start_engine
 import Upload_Face
 import Remove_Face
 import Check_Up
@@ -10,7 +10,7 @@ if __name__ == "__main__":
     print("Starting the program.")
     while True:
         if DBHelper.get_power() == "on":
-            Start_Engine.start()
+            start_engine.start()
 
         if None not in (DBHelper.get_register_firstname(),
                         DBHelper.get_register_lastname(),