Michael Foord added the comment:
There are several disadvantages to doing deepcopy:
* identity checks now fail
* deep copying is slow
* deep copying doesn't work on arbitrary objects
So deep copying by default isn't a good idea. This particular case is mentioned
in the docs, with an example o
New submission from Sergey :
MagicMock allows to check parameters of calls by using "assert_has_calls".
However it fails if argument has a mutable type and was changed in-place before
the second call.
The example is provided in attached file.
In "func1" value in "data" changes for each iterat
