AttributeError when extracting tags from pika BlockingChannel

[ghost]

Typo in https://github.com/instana/python-sensor/blob/master/instana/instrumentation/pika.py#L121 causes AttributeError when setting span tags.

2022-03-10 15:47:48,593: 1 DEBUG instana: basic_consume_with_instana:
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/instana/instrumentation/pika.py", line 121, in _cb_wrapper
    _extract_consumer_tags(scope.span,
  File "/usr/local/lib/python3.8/site-packages/instana/instrumentation/pika.py", line 33, in _extract_consumer_tags
    _extract_broker_tags(span, conn)
  File "/usr/local/lib/python3.8/site-packages/instana/instrumentation/pika.py", line 21, in _extract_broker_tags
    span.set_tag("address", "%s:%d" % (conn.params.host, conn.params.port))
AttributeError: 'BlockingConnection' object has no attribute 'params'

Pika's BlockingConnection uses composition instead of inheritance. Therefore, the params field is not available in its parent but rather in its _impl attribute. This is done for consume_with_instana wrapper but not for basic_consume_with_instana wrapper.