CODE 3 Error Message:

Traceback (most recent call last):
  File "Final.py", line 54, in <module>
    (grabbed, frame) = frame.array
ValueError: too many values to unpack

import argparse
import datetime
import imutils
import math

import cv2
import numpy as np

width = 800

textIn = 0
textOut = 0

def testIntersectionIn(x, y):

    res = -450 * x + 400 * y + 157500
    if((res >= -550) and  (res < 550)):
        print (str(res))
        return True
    return False



def testIntersectionOut(x, y):
    res = -450 * x + 400 * y + 180000
    if ((res >= -550) and (res <= 550)):
        print (str(res))
        return True
    return False

camera = cv2.VideoCapture(0)

firstFrame = None


while True:

    (grabbed, frame) = camera.read()
    text = "Unoccupied"


    if not grabbed:
        break

    frame = imutils.resize(frame, width=width)
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
    gray = cv2.GaussianBlur(gray, (21, 21), 0)


    if firstFrame is None:
        firstFrame = gray
        continue


    frameDelta = cv2.absdiff(firstFrame, gray)
    thresh = cv2.threshold(frameDelta, 25, 255, cv2.THRESH_BINARY)[1]

    thresh = cv2.dilate(thresh, None, iterations=2)
    cnts, _ = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)

    for c in cnts:
        if cv2.contourArea(c) < 12000:
            continue

        (x, y, w, h) = cv2.boundingRect(c)
        cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)

        cv2.line(frame, (width -15500, 0), (width , 300), (250, 0, 1), 2)  #blue line
        cv2.line(frame, (width -15500, 0), (width , 400), (0, 0, 255), 2) #red line


        rectagleCenterPont = ((x + x + w) /2, (y + y + h) /2)
        cv2.circle(frame, rectagleCenterPont, 1, (0, 0, 255), 5)

        if(testIntersectionIn((x + x + w) / 2, (y + y + h) / 2)):
            textIn += 1

        if(testIntersectionOut((x + x + w) / 2, (y + y + h) / 2)):
            textOut += 1

    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

    cv2.putText(frame, "In Toilet: {}".format(str(textIn)), (10, 50),
                cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
    cv2.putText(frame, "Left Toilet: {}".format(str(textOut)), (10, 70),
                cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
    cv2.putText(frame, datetime.datetime.now().strftime("%A %d %B %Y %I:%M:%S%p"),
                (10, frame.shape[0] - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 0, 255), 1)
    cv2.imshow("People Counter", frame)

camera.release()
cv2.destroyAllWindows()

# import the necessary packages
from picamera.array import PiRGBArray
from picamera import PiCamera
import time
import cv2

# initialize the camera and grab a reference to the raw camera capture
camera = PiCamera()
camera.resolution = (640, 480)
camera.framerate = 32
rawCapture = PiRGBArray(camera, size=(640, 480))

# allow the camera to warmup
time.sleep(0.1)

# capture frames from the camera
for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):
    # grab the raw NumPy array representing the image, then initialize the timestamp
    # and occupied/unoccupied text
    image = frame.array

    # show the frame
    cv2.imshow("Frame", image)
    key = cv2.waitKey(1) & 0xFF

    # clear the stream in preparation for the next frame
    rawCapture.truncate(0)

    # if the `q` key was pressed, break from the loop
    if key == ord("q"):
        break

# import the necessary packages
from picamera.array import PiRGBArray
from picamera import PiCamera
import time
import cv2
import numpy as np


import argparse
import datetime
import imutils
import math


width = 800

textIn = 0
textOut = 0

firstFrame = None


def testIntersectionIn(x, y):

    res = -450 * x + 400 * y + 157500   #450 400 157500
    if((res >= -550) and  (res < 550)):
        print (str(res))
        return True
    return False



def testIntersectionOut(x, y):
    res = -450 * x + 400 * y + 180000
    if ((res >= -550) and (res <= 550)):
        print (str(res))
        return True
    return False

# initialize the camera and grab a reference to the raw camera capture
camera = PiCamera()
camera.resolution = (640, 480)
camera.framerate = 50
camera.hflip = True

rawCapture = PiRGBArray(camera, size=(640, 480))

# allow the camera to warmup
time.sleep(0.1)

# capture frames from the camera
for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):

        (grabbed, frame) = frame.array       #This is the error msg line
        text = "Unoccupied"


        if not grabbed:
            break

        frame = imutils.resize(frame, width=width)
        gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
        gray = cv2.GaussianBlur(gray, (21, 21), 0)


        if firstFrame is None:
            firstFrame = gray
            continue


        frameDelta = cv2.absdiff(firstFrame, gray)
        thresh = cv2.threshold(frameDelta, 25, 255, cv2.THRESH_BINARY)[1]

        thresh = cv2.dilate(thresh, None, iterations=2)
        cnts, _ = cv2.findContours(thresh.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)

        for c in cnts:
            if cv2.contourArea(c) < 12000:
                continue

            (x, y, w, h) = cv2.boundingRect(c)
            cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)

            cv2.line(frame, (width -15500, 0), (width , 300), (250, 0, 1), 2)  #blue line
            cv2.line(frame, (width -15500, 0), (width , 400), (0, 0, 255), 2) #red line


            rectagleCenterPont = ((x + x + w) /2, (y + y + h) /2)
            cv2.circle(frame, rectagleCenterPont, 1, (0, 0, 255), 5)

            if(testIntersectionIn((x + x + w) / 2, (y + y + h) / 2)):
                textIn += 1

            if(testIntersectionOut((x + x + w) / 2, (y + y + h) / 2)):
                textOut += 1

        # clear the stream in preparation for the next frame
        rawCapture.truncate(0)

        if cv2.waitKey(1) & 0xFF == ord('q'):
            break

        cv2.putText(frame, "In: {}".format(str(textIn)), (10, 50),
                cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
        cv2.putText(frame, "Out: {}".format(str(textOut)), (10, 70),
                cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
        cv2.putText(frame, datetime.datetime.now().strftime("%A %d %B %Y %I:%M:%S%p"),
                (10, frame.shape[0] - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 0, 255), 1)
        cv2.imshow("Counter", frame)