Moved phot.py to using the new location for find_all_wcs. Indirectly for issue #1430

Author: DavidT3

xga/products/phot.py

@@ -1,5 +1,5 @@
 #  This code is a part of X-ray: Generate and Analyse (XGA), a module designed for the XMM Cluster Survey (XCS).
-#  Last modified by David J Turner (turne540@msu.edu) 25/08/2025, 15:44. Copyright (c) The Contributors
+#  Last modified by David J Turner (turne540@msu.edu) 25/08/2025, 15:48. Copyright (c) The Contributors
 
 import os
 import warnings
@@ -26,7 +26,7 @@
 from . import BaseProduct, BaseAggregateProduct
 from ..exceptions import FailedProductError, RateMapPairError, NotPSFCorrectedError, IncompatibleProductError
 from ..sourcetools import ang_to_rad
-from ..utils import xmm_sky, xmm_det, find_all_wcs
+from ..utils import xmm_sky, xmm_det
 
 EMOSAIC_INST = {"EPN": "pn", "EMOS1": "mos1", "EMOS2": "mos2"}
 plt.rcParams['keymap.save'] = ''
@@ -196,6 +196,9 @@ def _read_wcs_on_demand(self):
         required more than the data for individual images (as the merged images are generally used
         for analysis), so this function is split out in the interests of efficiency.
         """
+        # Import here to avoid circular import woes
+        from ..imagetools.misc import find_all_wcs
+
         try:
             # Reads only the header information
             self._header = read_header(self.path)