Merge pull request #710 from RocketPy-Team/bug/zero-mass-is-not-none

BUG: Fix Motor Zero Dry Mass Check
RocketPy-Team · Oct 9, 2024 · dde7ba4 · dde7ba4
2 parents 8e4db26 + eb3ad14
commit dde7ba4
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -50,6 +50,7 @@ Attention: The newest changes should be on top -->
 
 ### Fixed
 
+- BUG: Fix Motor Zero Dry Mass Check [#710](https://github.com/RocketPy-Team/RocketPy/pull/710)
 - BUG: Fix Environment.max_expected_height for custom atmosphere [#707](https://github.com/RocketPy-Team/RocketPy/pull/707)
 - BUG: Initialize _Controller Init Parameters [#703](https://github.com/RocketPy-Team/RocketPy/pull/703)
 - BUG: Rail Buttons Not Accepted in Add Surfaces [#701](https://github.com/RocketPy-Team/RocketPy/pull/701)

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: