Added case example

[Lameus]

No description provided.

[pep8speaks]

Hello @Lameus! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file examples/cases/call_stats.py:

Line 136:25: W503 line break before binary operator
Line 137:25: W503 line break before binary operator
Line 146:25: W503 line break before binary operator
Line 147:25: W503 line break before binary operator
Line 175:17: W503 line break before binary operator
Line 196:17: W503 line break before binary operator
Line 217:17: W503 line break before binary operator
Line 232:17: W503 line break before binary operator

• In the file examples/cases/example_utils.py:

Line 76:17: W503 line break before binary operator
Line 97:17: W503 line break before binary operator

• In the file expert/data/annotation/speech_to_text.py:

Line 103:28: W605 invalid escape sequence '.'

• In the file test/unit/core/test_congruence.py:

Line 3:1: F401 'timm' imported but unused
Line 4:1: F401 'timm.models.layers.conv2d_same' imported but unused