Crash in CompareFrameController

[pointhi]

Expected Behavior

Do not crash

Actual Behavior

Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/urh/controller/MainController.py", line 631, in update_decodings
    self.compare_frame_controller.refresh_existing_encodings()
  File "/usr/lib/python3.7/site-packages/urh/controller/CompareFrameController.py", line 396, in refresh_existing_encodings
    if msg.decoder != self.decodings[i]:
IndexError: list index out of range
[1]    15970 abort (core dumped)

Platform Specifications

• OS: Arch Linux
• URH version: 2.6.0
• Python version: 3.7.3
• Installed via pacman