configs/manager.py: Replace a filter with list comprehension

Replace the filter hack with a cleaner list comprehension.
Be Pythonic :)

1 files changed, 1 insertions, 4 deletions

diff --git a/fg21sim/configs/manager.py b/fg21sim/configs/manager.py
index c3408ec..c03222d 100644
--- a/fg21sim/configs/manager.py
+++ b/fg21sim/configs/manager.py
@@ -31,10 +31,7 @@ logger = logging.getLogger(__name__)
 def _get_configspec():
     """Found and read all the configuration specifications"""
     files = sorted(pkg_resources.resource_listdir(__name__, ""))
-    # 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))
+    specfiles = [fn for fn in files if fn.endswith(".conf.spec")]
     if os.environ.get("DEBUG_FG21SIM"):
         print("DEBUG: Found config specifications: %s" % ", ".join(specfiles),
               file=sys.stderr)