FIX: for building documentation for diffCheck py __init__ and sphinx conf env

Author: 9and3

doc/conf.py

@@ -38,6 +38,10 @@
 import sys
 
 # -- Dlls/pyd imports ---------------------------------------------------------
+# Set the SPHINX_BUILD environment variable to not conflct with the import of
+# the pybind module and df_cvt_bindings from the diffCheck __init__.py
+os.environ['SPHINX_BUILD'] = '1'
+
 # import package's modules path and dlls/pyds, checking for import of pybind module
 extra_dll_dir_doc = os.path.abspath('./')
 extra_dll_dir_pysource = os.path.abspath('./../src/gh/diffCheck')

src/gh/diffCheck/diffCheck/__init__.py

@@ -7,6 +7,6 @@
 extra_dll_dir = os.path.join(os.path.dirname(__file__), PATH_TO_DLL)
 os.add_dll_directory(extra_dll_dir)
 
-# import the bindings
-from . import diffcheck_bindings  # type: ignore[attr-defined]
-from . import df_cvt_bindings  # type: ignore[attr-defined]
+if not os.getenv('SPHINX_BUILD', False):
+    from . import diffcheck_bindings  # type: ignore[attr-defined]
+    from . import df_cvt_bindings  # type: ignore[attr-defined]