diff options
-rw-r--r-- | fg21sim/configs/manager.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fg21sim/configs/manager.py b/fg21sim/configs/manager.py index 5ee4ecf..3206c29 100644 --- a/fg21sim/configs/manager.py +++ b/fg21sim/configs/manager.py @@ -28,7 +28,10 @@ logger = logging.getLogger(__name__) def _get_configspec(): """Found and read all the configuration specifications""" files = sorted(pkg_resources.resource_listdir(__name__, "")) - specfiles = filter(lambda fn: fn.endswith(".conf.spec"), files) + # NOTE: + # Explicit convert the filter results to a list, since the returned + # iterator can ONLY be used ONCE. + specfiles = list(filter(lambda fn: fn.endswith(".conf.spec"), files)) if os.environ.get("DEBUG_FG21SIM"): print("DEBUG: Found config specifications: %s" % ", ".join(specfiles), file=sys.stderr) |