# Change Summary

Support strict specification for UUID types

Fix #7838

## Checklist

* [x] The pull request title is a good summary of the changes - it will be used in the changelog
* [x] Unit tests for the changes exist
* [x] Tests pass on CI
* [ ] Documentation reflects the changes where applicable
* [x] My PR is ready to review, **please add a comment including the phrase "please review" to assign reviewers**

Support strict specification for UUID types. # Change Summary

Support strict specification for UUID types

Fix #7838

## Checklist

* [x] The pull request title is a good summary of the changes - it will be used in the changelog
* [x] Unit tests for the changes exist
* [x] Tests pass on CI
* [ ] Documentation reflects the changes where applicable
* [x] My PR is ready to review, **please add a comment including the phrase "please review" to assign reviewers**

"""
Test mypy failure with invalid types.
"""
from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel


class Model(BaseModel):
    age: int
    first_name = 'John'
    last_name: Optional[str] = None
    signup_ts: Optional[datetime] = None
    list_of_ints: List[int]


m = Model(age=42, list_of_ints=[1, '2', b'3'])
# MYPY: error: List item 1 has incompatible type "str"; expected "int"  [list-item]
# MYPY: error: List item 2 has incompatible type "bytes"; expected "int"  [list-item]

print(m.foobar)
# MYPY: error: "Model" has no attribute "foobar"  [attr-defined]

"""
Test mypy failure with invalid types.
"""
from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel


class Model(BaseModel):
    age: int
    first_name = 'John'
    last_name: Optional[str] = None
    signup_ts: Optional[datetime] = None
    list_of_ints: List[int]


m = Model(age=42, list_of_ints=[1, '2', b'3'])
# MYPY: error: List item 1 has incompatible type "str"; expected "int"  [list-item]
# MYPY: error: List item 2 has incompatible type "bytes"; expected "int"  [list-item]

print(m.foobar)
# MYPY: error: "Model" has no attribute "foobar"  [attr-defined]
