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Fix error when snapshot response is missing content-type header #805

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Fix error when snapshot response is missing content-type header #805

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2 changes: 1 addition & 1 deletion octoprint_octolapse/camera.py
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Original file line number Diff line number Diff line change
Expand Up @@ -578,7 +578,7 @@ def _test_web_camera(camera_profile, timeout_seconds=2, is_before_print_test=Fal
message = "The request contained no data for the '{0}' camera profile.".format(camera_profile.name)
logger.error(message)
raise CameraError('request-contained-no-data', message)
elif "image/jpeg" not in r.headers["content-type"].lower():
elif 'content-type' in r.headers and "image/jpeg" not in r.headers["content-type"].lower():
message = (
"The returned data was not an image for the '{0}' camera profile.".format(camera_profile.name)
)
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