Resolving issues with Python 3.7 and addressing linter warnings

Author: chr1st1ank

.editorconfig

@@ -10,10 +10,6 @@ insert_final_newline = true
 charset = utf-8
 end_of_line = lf
 
-[*.bat]
-indent_style = tab
-end_of_line = crlf
-
 [LICENSE]
 insert_final_newline = false
 

dike/__init__.py

@@ -3,8 +3,7 @@
 import concurrent
 import functools
 import inspect
-from dataclasses import dataclass
-from typing import Awaitable, Callable, Dict, Iterable, List, Sequence, Tuple, Union
+from typing import Callable, Dict, List, Tuple
 
 
 def wrap_in_coroutine(func: Callable) -> Callable:
@@ -31,8 +30,6 @@ async def _wrapper(*args, **kwargs):
 class TooManyCalls(Exception):
     """Error raised by @limit_jobs when a call exceeds the preset limit"""
 
-    pass
-
 
 def limit_jobs(*, limit: int):
     """Decorator to limit the number of concurrent calls to a coroutine function.
@@ -46,6 +43,7 @@ def limit_jobs(*, limit: int):
     Raises:
         TooManyCalls: The decorated function raises a dike.ToomanyCalls exception
             if it is called while already running `limit` times concurrently.
+        ValueError: If the decorator is applied to something else than an async def function
 
     Examples:
         >>> import asyncio
@@ -88,7 +86,7 @@ def decorator(func):
         async def limited_call(*args, **kwargs):
             nonlocal counter
             if counter == 0:
-                raise TooManyCalls(f"Too many calls to {str(func)}! {limit=}")
+                raise TooManyCalls(f"Too many calls to {str(func)}! limit={limit}")
             try:
                 counter -= 1
                 return await func(*args, **kwargs)

tests/test_batch.py

@@ -1,8 +1,10 @@
+"""Tests for for the decorator dike.batch"""
 import asyncio
-from typing import Dict
-import dike
+
 import pytest
 
+import dike
+
 
 async def raise_error(message):
     raise RuntimeError(message)

tests/test_limit_jobs.py

@@ -88,7 +88,6 @@ async def f():
 @pytest.mark.parametrize("l", [-1, -1.5, float("-inf")])
 def test_unlogical_limits_give_clear_error(l):
     """Ensure that a proper error message is shown when trying to set strange limits"""
-    print(f"{l=}")
     with pytest.raises(ValueError, match=re.escape("Error when wrapping f(). Limit must be >= 0")):
 
         @dike.limit_jobs(limit=l)

tox.ini

@@ -50,4 +50,4 @@ setenv =
     PYTHONWARNINGS = ignore
 allowlist_externals = pytest
 commands =
-    pytest -s --cov=dike --cov-append --cov-report=xml --cov-report term-missing --junit-xml pytest.xml tests
+    pytest -s --doctest-modules --cov=dike --cov-append --cov-report=xml --cov-report term-missing --junit-xml pytest.xml tests