Open Source Talk 4

## Let's decide Topic 👍 for upvoting it 👎 for downvoting it
room and other details will be updated here
Vote Count (regularly updated before decision)

| Topic        | votes        |
| ------------ |:-------------:|
| Flask       |         4      |
| Node       |          2      |
| Chatbots |  2 |
| Programming in Raspberry Pi | 3 |
 
##### votes before talk will be considered (logic)
