Ensure merge_exif_keywords are str not int

osxphotos/photoinfo/_photoinfo_export.py

@@ -776,7 +776,12 @@ def export2(
                         photo = [p for p in bursts if p.uuid.startswith(self.uuid)]
                         photo = photo[0] if photo else None
                     if not photo:
-                        all_results.error.append((str(dest), f"PhotoKitFetchFailed exception exporting photo {self.uuid}: {e}"))
+                        all_results.error.append(
+                            (
+                                str(dest),
+                                f"PhotoKitFetchFailed exception exporting photo {self.uuid}: {e}",
+                            )
+                        )
                 if photo:
                     try:
                         exported = photo.export(
@@ -1539,6 +1544,7 @@ def _get_exif_keywords(self):
                 kw = exifdict[field]
                 if kw and type(kw) != list:
                     kw = [kw]
+                kw = [str(k) for k in kw]
                 keywords.extend(kw)
             except KeyError:
                 pass
@@ -1555,6 +1561,7 @@ def _get_exif_persons(self):
             p = exifdict["XMP:PersonInImage"]
             if p and type(p) != list:
                 p = [p]
+            p = [str(p_) for p_ in p]
             persons.extend(p)
         except KeyError:
             pass