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Network explorer keeps selection after data is removed #111

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janezd opened this issue Mar 9, 2019 · 1 comment · May be fixed by #184
Open

Network explorer keeps selection after data is removed #111

janezd opened this issue Mar 9, 2019 · 1 comment · May be fixed by #184
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@janezd
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janezd commented Mar 9, 2019

The problem manifests like this:

TypeError:  object of type 'NoneType' has no len()
(7 additional frame(s) were not displayed)
...
  Module "Orange.widgets.gui", in unconditional_commit
    do_commit()
  Module "Orange.widgets.gui", in do_commit
    commit()
  Module "Orange.widgets.visualize.utils.widget", in commit
    self.send_data()
  Module "orangecontrib.network.widgets.OWNxExplorer", in send_data
    super().send_data()
  Module "Orange.widgets.visualize.utils.widget", in send_data
    group_sel = np.zeros(len(data), dtype=int)

The trace comes from sentry, hence no instructions to reproduce.

OWDataProjectionWidget expects that if graph.selection is not None, then self._get_projection_data() doesn't return None. Network explorer apparently violates this.
@janezd janezd self-assigned this Jan 29, 2021
@janezd janezd linked a pull request Jan 29, 2021 that will close this issue
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@janezd janezd mentioned this issue Nov 13, 2023
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janezd commented Feb 13, 2024

Also note that the Color combo is not cleared.

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