[1.7.x] Fixed #23702 -- Fixed adding an explicit id field on SQLite.

Thanks gavinwahl for the report.

Backport of 92269b7b53 from master

1 files changed, 2 insertions, 2 deletions

diff --git a/django/db/backends/sqlite3/schema.py b/django/db/backends/sqlite3/schema.py
index 34e52f8417..7ed5449c8d 100644
--- a/django/db/backends/sqlite3/schema.py
+++ b/django/db/backends/sqlite3/schema.py
@@ -75,8 +75,8 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
                 )
         # Add in any altered fields
         for (old_field, new_field) in alter_fields:
-            del body[old_field.name]
-            del mapping[old_field.column]
+            body.pop(old_field.name, None)
+            mapping.pop(old_field.column, None)
             body[new_field.name] = new_field
             if old_field.null and not new_field.null:
                 case_sql = "coalesce(%(col)s, %(default)s)" % {