Update mri_session.py

Author: Sun-flow

src/aind_data_schema/core/mri_session.py

@@ -81,7 +81,7 @@ def validate_other(cls, value: Optional[str], info: ValidationInfo) -> Optional[
     @model_validator(mode="after")
     def validate_primary_scan(self):
         """Validate that primary scan has vc_orientation and vc_position fields"""
-        
+
         if self.primary_scan:
             if not self.vc_orientation or not self.vc_position:
                 raise ValueError("Primary scan must have vc_orientation and vc_position")