title: Running Pub Upgrade in flutter installation taking too much time
body: <p>I have a serious issue trying to install flutter... The pub upgrade when you run flutter doctor have being running for the past one hour on my system... I have being stuck with this issue since yesterday i don't know what the exact problem is... I have tried installing via Android Studio and through command line... It ends up getting stuck at "Running Pub Upgrade"... <a href="https://i.stack.imgur.com/C4npe.png" rel="noreferrer"><img src="https://i.stack.imgur.com/C4npe.png" alt="enter image description here"></a></p>