Remove unneeded if statement

sohstationviewer/view/db_config/db_config_dialog.py

@@ -773,16 +773,16 @@ class UiDBInfoDialog(OneWindowAtATimeDialog):
             for row_idx in range(self.data_table_widget.rowCount())
         ]
         duplicated_primary_keys = get_duplicates(primary_keys)
-        if duplicated_primary_keys:
-            msg = ''
-            for primary_key, indices in duplicated_primary_keys.items():
-                # .join() only accepts iterables of strings, so we have to do
-                # a quick conversion here.
-                str_indices = [str(i) for i in indices]
-                msg += (f'Rows {", ".join(str_indices)}: '
-                        f'Primary key "{primary_key}" is duplicated.\n')
-            # Remove the final new line for better display.
-            msg = msg.strip('\n')
+        msg = ''
+        for primary_key, indices in duplicated_primary_keys.items():
+            # .join() only accepts iterables of strings, so we have to do
+            # a quick conversion here.
+            str_indices = [str(i) for i in indices]
+            msg += (f'Rows {", ".join(str_indices)}: '
+                    f'Primary key "{primary_key}" is duplicated.\n')
+        # Remove the final new line for better display.
+        msg = msg.strip('\n')
+        if msg:
             return False, msg
 
         changed_row_ids = [idx