BUG: fix zero mass check

laurapgp · laurapgp · commit 4947ced1a6e1 · 2024-10-09T15:51:29.000+02:00
diff --git a/rocketpy/motors/motor.py b/rocketpy/motors/motor.py
@@ -370,7 +370,7 @@ def dry_mass(self, dry_mass):
         dry_mass : float
             Motor dry mass in kg.
         """
-        if dry_mass:
+        if dry_mass is not None:
             if isinstance(dry_mass, (int, float)):
                 self._dry_mass = dry_mass
             else:
