cleaning up a little

src/pojagi_dsp/channel/__init__.py

@@ -9,7 +9,7 @@ import operator
 from collections.abc import Iterable
 from functools import reduce
 import types
-from typing import (Any, Callable, Generic, Iterator, Optional, Type, TypeVar,
+from typing import (Any, Callable, Generator, Generic, Iterator, Optional, Type, TypeVar,
                     Union)
 
 logger = logging.getLogger(__name__)
@@ -17,7 +17,7 @@ logger = logging.getLogger(__name__)
 T = TypeVar("T")
 
 
-class IllegalStateError(ValueError):
+class IllegalStateException(ValueError):
     ...
 
 
@@ -60,7 +60,7 @@ class ASignal(Generic[T], metaclass=ASignalMeta):
     @property
     def srate(self):
         if self._srate is None:
-            raise IllegalStateError(
+            raise IllegalStateException(
                 f"{self.__class__}: `srate` is None."
             )
         return self._srate
@@ -185,7 +185,7 @@ class ASignal(Generic[T], metaclass=ASignalMeta):
                 v = getattr(self, k)
                 if not inspect.isroutine(v):
                     members[k] = v
-            except IllegalStateError as e:
+            except IllegalStateException as e:
                 members[k] = None
 
         return (
@@ -260,7 +260,7 @@ class Filter(ASignal, Generic[S]):
         The input stream this filter reads.
         """
         if not self._reader:
-            raise IllegalStateError(
+            raise IllegalStateException(
                 f"{self.__class__}: `reader` is None."
             )
         return self._reader