Revert "Merge pull request #64 from systemetric/lock-image"

This reverts commit 9923f44, reversing
changes made to 9db7c3e.

Author: OldUser101

shepherd/blueprints/run/__init__.py

@@ -6,7 +6,6 @@
 import json
 import os
 import sys
-from fcntl import lockf, LOCK_EX, LOCK_UN
 from enum import Enum
 
 from flask import Blueprint, redirect, url_for, request, session, send_file
@@ -52,14 +51,7 @@ def toggle_auto_refresh():
 
 @blueprint.route("/picture")
 def get_picture():
-    try:
-        f = os.open("/home/pi/shepherd/shepherd/static/image.jpg", os.O_RDWR)
-        lockf(f, LOCK_EX)
-        return send_file("/home/pi/shepherd/shepherd/static/image.jpg", mimetype="image/jpeg")
-    finally:
-        if "f" in locals():
-            lockf(f, LOCK_UN)
-            os.close(f)
+    return send_file("/home/pi/shepherd/shepherd/static/image.jpg", mimetype="image/jpeg")
 
 @blueprint.route("/start", methods=["POST"])
 def start():