streamer.screen: fix undefined variable icao on emty flight list

The icao variable is tested for None on line 136 but is not defined if no flight is known
2018-11-26 16:00:46 +01:00
parent 16c83d1505
commit de9ec43912
1 changed files with 1 additions and 0 deletions
--- a/pyModeS/streamer/screen.py
+++ b/pyModeS/streamer/screen.py
@@ -101,6 +101,7 @@ class Screen(Thread):
        icaos = np.sort(icaos)

        for row in range(3, self.scr_h - 3):
+            icao = None
            idx = row + self.offset

            if idx > len(icaos) - 1: