postgres default fix

app/core/models/user/__init__.py

@@ -18,7 +18,7 @@ class User(AlchemyBase, DisplayMixin, TranslationCore, AuthenticationMixin_V1, W
 
     username = Column(String(512), nullable=True)
     lang_code = Column(String(8), nullable=False, default="en")
-    meta = Column(JSON, nullable=False, default={})
+    meta = Column(JSON, nullable=False, default=dict)
 
     last_use = Column(DateTime, nullable=False, default=datetime.utcnow)
     updated = Column(DateTime, nullable=False, default=datetime.utcnow)
@@ -32,4 +32,3 @@ class User(AlchemyBase, DisplayMixin, TranslationCore, AuthenticationMixin_V1, W
     def __str__(self):
         return f"User, {self.id}_{self.telegram_id} | Username: {self.username} " + '\\'
 
-