# ChannelNotFoundError

## exception ChannelNotFoundError[source]

Bases: [`TimeoutError`](https://docs.python.org/3/builtins/exceptions.html#TimeoutError "(in Python v3.15)")

Raised when a channel does not appear within the specified timeout.

### characters_written

### errno

POSIX exception code

### filename

exception filename

### filename2

second exception filename

### strerror

exception strerror