I just installed Streamlit. I wrote a hello world program. But no new tab opened in my browser, so I couldn’t see the result of my program.

[image] p0l4r: when I used- import webbrowser webbrowser.open(‘ http://streamlit.io ’) A new tab opened in my browser and I got redirected to http://streamlit.io Great, so we can eliminate that hypothesis :smiley: [image] p0l4r: en I used- import platform platform.system() This h…

That’s very strange. What Streamlit does is just combine those two commands like this: if platform.system() == 'Windows': webbrowser.open(streamlit_url) So if that’s not working, I’m at a loss…

Actually, re-reading the thread I see you said that manually going the address displayed when you launch Streamlit doesn’t work. This makes me think the Windows Firewall may be blocking Streamlit. Can you look at the Firewall settings and see if Streamlit is allowed to access port 8501?

Can you please tell me how I do that ? I have tried different method, allowed streamlit application through firewall , but it is not working. I think I am not doing it right.

Hi @p0l4r , Sorry for the delay. I’ve been on-and-off trying to find some docs on how to do that, but could not find anything that looked promising. (Did I mention I’m not a Windows user? :wink:) So I have a couple more questions to help debug: When you run python -m http.server 8000 and go to h…

[image] thiago: 127.0.0.1:8501 [1] This is what happens. After running streamlit hello I tried the command netstat -an | find “8501”. It showed nothing. No it does not work.

[image] p0l4r: After running streamlit hello I tried the command netstat -an | find “8501”. It showed nothing. That’s strange. So just to make 100% sure, can you confirm that these are the steps you took: Open a terminal and a Python environment where Streamlit is installed. Run streamlit …

Dear Sir, I tried running streamlit hello, but nothing happened. Then I tried to run a longer script, still same. [image]

Install Python 3.7.5 it’s a perfect solution for Windows Users

A new tab doesn't open up in my web-browser if I run the streamlit-python script

Using Streamlit

p0l4r October 23, 2019, 3:03am 12

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This is what happens.

After running streamlit hello I tried the command netstat -an | find “8501”. It showed nothing.
No it does not work.

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A new tab doesn't open up in my web-browser if I run the streamlit-python script

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