Directory Modification Required

Just as an FYI:
In order to get this to work, I had to replicate the WaveShare repository
```
git clone https://github.com/waveshare/e-Paper.git
```
and replace this line in weather.py

```
lib_path = os.path.join(script_dir, 'lib')
```

with this 
```
lib_path = "/home/pi/e-Paper/RaspberryPi_JetsonNano/python/lib" # Set according to your git download
```