Check for presence of powerline_requires_* attributes
In powerline.lint.inspect their value is checked, while in other place `hasattr` is used. This commit removes this inconsistency.
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@ -31,8 +31,8 @@ def getconfigargspec(obj):
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if len(arg) > 1:
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defaults.append(arg[1])
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requires_segment_info = getattr(obj, 'powerline_requires_segment_info', False)
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requires_filesystem_watcher = getattr(obj, 'powerline_requires_filesystem_watcher', False)
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requires_segment_info = hasattr(obj, 'powerline_requires_segment_info')
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requires_filesystem_watcher = hasattr(obj, 'powerline_requires_filesystem_watcher')
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for name, method in argspecobjs:
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argspec = getargspec(method)
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