conflicting names Using a development mypy build Variables vs type aliases Incompatible overrides Unreachable code Narrowing and inner functions Supported Python features Runtime definition of methods and components due to missing imports [no-any- unimported] Check that statement or expression is unreachable [unreachable] Check that expression is redundant [redundant-expr] Warn about variables that are defined isinstance(arg, int) reveal_type(arg) # Revealed type: "builtins.int" Note With --warn-unreachable narrowing types to some impossible state will be treated as an error. def function(arg: int):

conflicting names Using a development mypy build Variables vs type aliases Incompatible overrides Unreachable code Narrowing and inner functions Supported Python features Runtime definition of methods and components due to missing imports [no-any- unimported] Check that statement or expression is unreachable [unreachable] Check that expression is redundant [redundant-expr] Warn about variables that are defined isinstance(arg, int) reveal_type(arg) # Revealed type: "builtins.int" Note With --warn-unreachable narrowing types to some impossible state will be treated as an error. def function(arg: int):

assert isinstance(arg, int) reveal_type(arg) # Revealed type: "builtins.int" Note: With --warn-unreachable narrowing types to some impossible state will be treated as an error. def function(arg: int): Statement is unreachable print("so mypy concludes the assert will always trigger") Without --warn-unreachable mypy will simply not check code it deems to be unreachable. See Unreachable code for more "def () -> builtins.int" else: ... # Will never be executed and will raise error with `--warn-unreachable` callable function can even split Union type for callable and non-callable parts: from typing

assert isinstance(arg, int) reveal_type(arg) # Revealed type: "builtins.int" Note: With --warn-unreachable narrowing types to some impossible state will be treated as an error. def function(arg: int): Statement is unreachable print("so mypy concludes the assert will always trigger") Without --warn-unreachable mypy will simply not check code it deems to be unreachable. See Unreachable code for more "def () -> builtins.int" else: ... # Will never be executed and will raise error with `--warn-unreachable` callable function can even split Union type for callable and non-callable parts: from typing

connect to the host via ssh: ssh: connect to host 1.1.1.1 port 22: Connection timed out\r\n', 'unreachable': True}}} 监控系统二次开发 Zabbix api 二次开发 https://blog.51cto.com/xiaoluoge/1827151 #coding:utf-8 import

site. See the Tutorial for more. Known issues The sub-pages of a page with an apphook will be unreachable [https://github.com/divio/django-cms/issues/4758] (404 page not found), due to internal URL resolution

site. See the Tutorial for more. Known issues The sub-pages of a page with an apphook will be unreachable [https://github.com/divio/django-cms/issues/4758] (404 page not found), due to internal URL resolution

site. See the Tutorial for more. Known issues The sub-pages of a page with an apphook will be unreachable (404 page not found), due to internal URL resolution mechanisms in the CMS. Though it’s unlikely

editing when launching a new site. Known issues The sub-pages of a page with an apphook will be unreachable (404 page not found), due to internal URL resolution mechanisms in the CMS. Though it’s unlikely

site. See the Tutorial for more. Known issues The sub-pages of a page with an apphook will be unreachable [https://github.com/divio/django-cms/issues/4758] (404 page not found), due to internal URL resolution