Bug#990917: apertium-apy: Incompatibility with python3-tornado 6

[Adrian Bunk]

Package: apertium-apy
Version: 0.11.6-1
Severity: serious
Forwarded: https://github.com/apertium/apertium-apy/issues/168
Control: close -1 0.11.7-1

See https://github.com/apertium/apertium-apy/issues/168