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Title: change u == 0 test to avoid py3.8+ syntax warning by murrayrm · Pull Request #580 · python-control/python-control · GitHub

Open Graph Title: change u == 0 test to avoid py3.8+ syntax warning by murrayrm · Pull Request #580 · python-control/python-control

X Title: change u == 0 test to avoid py3.8+ syntax warning by murrayrm · Pull Request #580 · python-control/python-control

Description: The Python Control Systems Library is a Python module that implements basic operations for analysis and design of feedback control systems. - change u == 0 test to avoid py3.8+ syntax warning by murrayrm · Pull Request #580 · python-control/python-control

Open Graph Description: PR #546 introduced a test of the form u == 0 that generates a SyntaxWarning in Python 3.8+. I changed this to set u to None by default and then check for u is None. A good description of the reas...

X Description: PR #546 introduced a test of the form u == 0 that generates a SyntaxWarning in Python 3.8+. I changed this to set u to None by default and then check for u is None. A good description of the reas...

Opengraph URL: https://github.com/python-control/python-control/pull/580

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change u == 0 test to avoid py3.8+ syntax warninghttps://github.com/python-control/python-control/pull/580/commits/89dcf3c13b16b76db7807c95979094d9d02d4f33
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