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controlled gates remove gate labels #4217

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1ucian0 opened this issue Apr 22, 2020 · 0 comments · Fixed by #4218
Closed

controlled gates remove gate labels #4217

1ucian0 opened this issue Apr 22, 2020 · 0 comments · Fixed by #4218
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bug Something isn't working

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@1ucian0
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1ucian0 commented Apr 22, 2020 •
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Information

  • Qiskit Terra version: master
  • Python version: 3.7
  • Operating system: MacOS

What is the current behavior?

The controlled gate code seems to ignore labeling at all.

Steps to reproduce the problem

ch = HGate(label='a gate').control(label='a controlled gate')
print(ch.label)
print(ch.base_gate.label)
None
None

What is the expected behavior?

The output should be:

a controlled gate
a gate

Suggested solutions

Something like this #4218
@1ucian0 1ucian0 added the bug Something isn't working label Apr 22, 2020
@1ucian0 1ucian0 mentioned this issue Apr 22, 2020
Merged
@mergify mergify bot closed this as completed in #4218 Apr 27, 2020
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controlled gates label awareness 1ucian0/qiskit-terra
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@1ucian0