Merge pull request #336 from OpenFreeEnergy/fix_protocol_roundtrip

Fix protocol roundtrip

Author: IAlibay

openfe/protocols/openmm_rfe/equil_rfe_settings.py

@@ -265,8 +265,8 @@ class Config:
 
     timestep = 4 * unit.femtosecond
     """Size of the simulation timestep. Default 4 * unit.femtosecond."""
-    collision_rate = 1 / unit.picosecond
-    """Collision frequency. Default 1 / unit.pisecond."""
+    collision_rate = 1.0 / unit.picosecond
+    """Collision frequency. Default 1.0 / unit.pisecond."""
     n_steps = 250 * unit.timestep
     """
     Number of integration timesteps between each time the MCMC move

openfe/tests/protocols/test_rfe_tokenization.py

@@ -39,8 +39,8 @@ def instance(self):
 
 class TestRelativeHybridTopologyProtocol(GufeTokenizableTestsMixin):
     cls = openmm_rfe.RelativeHybridTopologyProtocol
-    key = "RelativeHybridTopologyProtocol-d08dc752745cff33b6e0fdb3f6dc4611"
-    repr = "<RelativeHybridTopologyProtocol-d08dc752745cff33b6e0fdb3f6dc4611>"
+    key = "RelativeHybridTopologyProtocol-4c9c62f5007d0b64e4c21a99b6658561"
+    repr = "<RelativeHybridTopologyProtocol-4c9c62f5007d0b64e4c21a99b6658561>"
 
     @pytest.fixture()
     def instance(self, protocol):