Christian Decker dbb83a1bc3 pyln: Do not rstrip() the return value of .append() ...

This was causing the following error

```
Exception in thread Thread-553:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/tmp/cirrus-ci-build/contrib/pyln-testing/pyln/testing/utils.py", line 232, in tail
    self.err_logs.append(line.rstrip().decode('UTF-8', 'replace')).rstrip()
AttributeError: 'NoneType' object has no attribute 'rstrip'

[gw5] [ 33%] FAILED tests/test_misc.py::test_bitcoin_failure
```

Notice the second call to `.rstrip()` on the return value of `.append()`

2021-01-04 11:25:50 +01:00

..

__init__.py

pyln-testing: Bump version to 0.9.0 and add Makefile for release

2020-08-30 20:03:42 +02:00

btcproxy.py

pyln: Add mypy typing exceptions for external dependencies

2020-09-28 09:19:46 +09:30

db.py

chore: optimize postgres binary lookup

2020-10-27 10:40:52 +10:30

fixtures.py

pytest: Add throttler to limit load on the test system

2021-01-04 11:25:50 +01:00

utils.py

pyln: Do not rstrip() the return value of .append()

2021-01-04 11:25:50 +01:00