core+gui+cli: animated QR will transfer (balqr/UR1/UR2/BBQR codecs, audio channel, export/import wizard)

tests/test_core_qr_transfer.py

@@ -293,7 +293,6 @@ def test_presets_fit_qrcode_ec_m():
     """Every preset budget must render inside a QR at EC level M."""
     try:
         import qrcode
-
         from qrcode.constants import ERROR_CORRECT_M
     except ImportError:
         print("qrcode not installed - skipping capacity check")
@@ -324,4 +323,4 @@ if __name__ == "__main__":
     if failures:
         print("{} test(s) failed".format(failures))
         sys.exit(1)
-    print("all tests passed")
+    print("all tests passed")