add missing test2.py

test2.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+from pathlib import Path
+from thermaldecoder import decode
+import numpy as np
+import matplotlib.pyplot as plt
+root = Path('f2')
+root.mkdir(exist_ok=True)
+frames = decode('heatbed90_hotend_200_ice0.pcapng')
+f = next(frames)
+f = next(frames)
+f = np.array(f)
+f.shape = (384, 288)
+plt.imshow(f)
+plt.show()