use sep not pjw

Author: ismael-mendoza

btk/deblend.py

@@ -6,7 +6,7 @@
 from typing import Dict, List, Optional, Tuple, Union
 
 import numpy as np
-import sep_pjw as sep
+import sep
 from astropy import units
 from astropy.coordinates import SkyCoord
 from astropy.table import Table

btk/measure.py

@@ -4,7 +4,7 @@
 
 import galsim
 import numpy as np
-import sep_pjw as sep
+import sep
 from galsim import GSObject
 
 
@@ -37,7 +37,7 @@ def _get_single_ksb_ellipticity(
         output = (np.nan, np.nan)
         if verbose:
             print(
-                f"Shear measurement error: '{res.error_message }'. \
+                f"Shear measurement error: '{res.error_message}'. \
                 This error may happen for faint galaxies or inaccurate detections."
             )
     return output

pyproject.toml

@@ -30,7 +30,7 @@ version = "1.0.7"
 requires-python = ">=3.9,<3.13"
 dependencies = [
   "galsim>=2.4.9",
-  "sep_pjw>=1.3.7",
+  "sep>=1.4.0",
   "surveycodex>=1.2.0",
   "numpy>=1.26.0",
   "fast3tree>=0.4.1",