Fix error in convert_complex_to_dm where array would have complex dtype.

dihm · dihm · commit c71bdc43636c · 2025-09-23T11:45:21.000-04:00
diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
@@ -16,7 +16,7 @@ Improvements
 Bug Fixes
 +++++++++
 
-
+- Fix `convert_complex_to_dm` to properly return arrays with real dtype.
 
 Deprecations
 ++++++++++++
diff --git a/src/rydiqule/sensor_utils.py b/src/rydiqule/sensor_utils.py
@@ -530,7 +530,7 @@ def convert_complex_to_dm(complex_dm: np.ndarray) -> np.ndarray:
     if np.iscomplexobj(real_dm):
         raise RydiquleError('Converted matrix is not real, likely unphysical')
     
-    return dm
+    return real_dm
 
 
 def check_positive_semi_definite(dm: np.ndarray):
