Merge pull request #711 from sherlock-project/add-error-checking-for-version-checking

added error checking while checking for updates

sherlock/sherlock.py

@@ -494,13 +494,19 @@ def main():
     args = parser.parse_args()
 
     # Check for newer version of Sherlock. If it exists, let the user know about it
-    r = requests.get("https://raw.githubusercontent.com/sherlock-project/sherlock/master/sherlock/sherlock.py")
-    remote_version = str(re.findall('__version__ = "(.*)"', r.text)[0])
-    local_version = __version__
 
-    if remote_version != local_version:
-        print("Update Available!\n" +
-              f"You are running version {local_version}. Version {remote_version} is available at https://git.io/sherlock")
+    try:
+        r = requests.get("https://raw.githubusercontent.com/sherlock-project/sherlock/master/sherlock/sherlock.py")
+
+        remote_version = str(re.findall('__version__ = "(.*)"', r.text)[0])
+        local_version = __version__
+
+        if remote_version != local_version:
+            print("Update Available!\n" +
+                  f"You are running version {local_version}. Version {remote_version} is available at https://git.io/sherlock")
+    
+    except Exception as error:
+        print(f"A problem occured while checking for an update: {error}")
 
 
     # Argument check