Add workaround for SQLiteSession needing save after init

telethon/sessions/sqlite.py

@@ -37,6 +37,7 @@ class SQLiteSession(MemorySession):
         super().__init__()
         self.filename = ':memory:'
         self.save_entities = True
+        self._init_saved = True
 
         if session_id:
             self.filename = session_id
@@ -55,7 +56,7 @@ class SQLiteSession(MemorySession):
                 self._upgrade_database(old=version)
                 c.execute("delete from version")
                 c.execute("insert into version values (?)", (CURRENT_VERSION,))
-                self.save()
+                self._init_saved = False
 
             # These values will be saved
             c.execute('select * from sessions')
@@ -109,7 +110,7 @@ class SQLiteSession(MemorySession):
             c.execute("insert into version values (?)", (CURRENT_VERSION,))
             self._update_session_table()
             c.close()
-            self.save()
+            self._init_saved = False
 
     def clone(self, to_instance=None):
         cloned = super().clone(to_instance)