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@issue
Feature: Issue #72: Using 'GHERKIN_COLORS' fails with Exception
> Trying: GHERKIN_COLORS=executing=white behave
> It fails:
>
> Traceback (most recent call last):
> ...
> File "/.../behave/formatter/ansi_escapes.py", line 38, in <module>
> escapes[alias] = ''.join([colors[c] for c in aliases[alias].split(',')])
> TypeError: list indices must be integers, not str
>
> The reason is that the global variable colors is defined twice in this module.
> The second variable overrides/modifies the first (without intention).
Scenario: Using GHERKIN_COLORS in new working dir
Given a new working directory
And I set the environment variable "GHERKIN_COLORS" to "executing=white"
When I run "behave"
Then it should fail with:
"""
No steps directory in '{__WORKDIR__}/features'
"""
But the command output should not contain:
"""
Traceback (most recent call last):
"""
And the command output should not contain:
"""
TypeError: list indices must be integers, not str
"""
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