MutaFix run: toolz-004

toolz/tests/test_signatures.py::test_is_valid
toolz/tests/test_signatures.py::test_is_partial

E   AssertionError: assert False
E    +  where False = <function _is_valid_args at 0x0000023A74A4C9A0>(<class 'functools.partial'>, (1,), {'func': 1})

E   AssertionError: assert False is True
E    +  where False = <function _is_partial_args at 0x0000023A74A4CAE0>(<class 'functools.partial'>, (), {'func': 1})

1. toolz/_signatures.py::_is_valid_args call depth 1 · Ochiai 0.71 (failing 1, passing 0)
2. toolz/_signatures.py::check_valid call depth 1 · Ochiai 0.71 (failing 1, passing 0)
3. toolz/_signatures.py::_is_partial_args call depth - · Ochiai 0.71 (failing 1, passing 0)
4. toolz/functoolz.py::is_partial_args call depth - · Ochiai 0.71 (failing 1, passing 0)
5. toolz/_signatures.py::check_partial call depth - · Ochiai 0.71 (failing 1, passing 0)
6. toolz/__init__.py::__getattr__ call depth - · Ochiai 0.71 (failing 1, passing 0)
7. toolz/functoolz.py::_check_sigspec call depth - · Ochiai 0.50 (failing 1, passing 1)
8. toolz/functoolz.py::curry.args call depth 1 · Ochiai 0.00 (failing 0, passing 0)
9. toolz/functoolz.py::curry.func call depth 1 · Ochiai 0.00 (failing 0, passing 0)
10. toolz/functoolz.py::_check_sigspec call depth - · Ochiai 0.00 (failing 0, passing 0)
11. toolz/functoolz.py::curry.__init__ call depth - · Ochiai 0.00 (failing 0, passing 0)
12. toolz/functoolz.py::is_valid_args call depth - · Ochiai 0.00 (failing 0, passing 0)
13. toolz/functoolz.py::curry._should_curry call depth - · Ochiai 0.00 (failing 0, passing 0)
14. toolz/itertoolz.py::diff call depth - · Ochiai 0.00 (failing 0, passing 0)
15. toolz/functoolz.py::memoize call depth - · Ochiai 0.00 (failing 0, passing 0)
16. toolz/functoolz.py::memoize.<locals>.memof call depth - · Ochiai 0.00 (failing 0, passing 0)
17. toolz/functoolz.py::apply call depth - · Ochiai 0.00 (failing 0, passing 0)
18. toolz/sandbox/parallel.py::fold call depth - · Ochiai 0.00 (failing 0, passing 0)
19. toolz/_signatures.py::expand_sig call depth - · Ochiai 0.00 (failing 0, passing 0)
20. toolz/_signatures.py::_num_required_args call depth - · Ochiai 0.00 (failing 0, passing 1)

We need to look at the actual error again:

For test_is_valid:
    E   AssertionError: assert False
    E    +  where False = <function _is_valid_args at 0x...>(<class 'functools.partial'>, (1,), {'func': 1})

So the call was: _is_valid_args(<class 'functools.partial'>, (1,), {'func': 1}) returned False, but the test expected something else? Let's see the test code snippet provided earlier.

From the test_is_valid function (we saw part of it). It had:

    f = builtins.abs
    ...
    # later
    f = builtins.complex
    ...
    f = builtins.int
    ...
    f = builtins.map
    ...
    f = builtins.min
    ...
    f = builtins.range
    ...

But the error mentions functools.partial. So maybe there is a part of the test we didn't see that tests functools.partial.

Let's look at the test file more completely? We don't have it, but we can infer.

The test_is_valid function likely includes a check for functools.partial. The error says:

    assert check_valid(...) is False   (or maybe it expects True?)

Actually the error says: AssertionError: assert False

Meaning the condition that was asserted was False, and it failed because it was False? Wait: "assert False" means the assertion is asserting that the expression is True, but it got False, so the assertion fails.

So the line in the test was something like:

    assert check_valid(...)   # expecting True

but it got False.

Specifically: _is_valid_args(<class 'functools.partial'>, (1,), {'func': 1}) returned False, but the test

We have two failing tests:

1. test_is_valid: 
   - It calls `_is_valid_args(<class 'functools.partial'>, (1,), {'func': 1})` and expects it to be truthy? Actually the test says:
        E   AssertionError: assert False
        E    +  where False = <function _is_valid_args at 0x...>(<class 'functools.partial'>, (1,), {'func': 1})
   So the call returned False, but the test expected it to be true (or at least not false). Looking at the test code snippet for test_is_valid, we don't see the exact line that caused the failure, but we can infer from the error that it was expecting a truthy value.

2. test_is_partial:
   - It calls `_is_partial_args(<class 'functools.partial'>, (), {'func': 1})` and expects True, but got False.

Both failures involve `functools.partial` and the kwargs `{'func': 1}`.

Let's look at the signatures for `functools.partial` in the registry. We don't have the signatures dictionary, but we can infer that the signature for `functools.partial` might be something like:

   func: the function to partialize
   args: positional arguments
   keywords: keyword arguments

But note: the test passes `args=(1,)` and `kwargs={'func': 1}`. This is trying to set the `func` keyword argument to 1? That doesn't make sense because `func` is a positional-only or required argument? Actually, `functools.partial` is defined as:

   partial(func, /, *args, **keywords)

So the first argument is positional-only (or at least, it's the first parameter). In the test, they are passin

We have two failing tests:

1. test_is_valid: 
   - For `functools.partial` with args=(1,) and kwargs={'func':1}, the function `_is_valid_args` returns False, but the test expects it to be truthy (or at least not False? Actually the test does: `assert check_valid(f, 1)` where f is abs, so it expects True. But in the error we see: 
        AssertionError: assert False
        where False = <function _is_valid_args at ...>(<class 'functools.partial'>, (1,), {'func': 1})
   So the test is calling `_is_valid_args` on `functools.partial` with args=(1,) and kwargs={'func':1} and getting False, but expects a truthy value.

2. test_is_partial:
   - For `functools.partial` with args=() and kwargs={'func':1}, the function `_is_partial_args` returns False, but the test expects True (because it does `assert _is_partial_args(...)`).

Looking at the code:

For `_is_valid_args` (candidate 1):
   It returns None if func not in signatures, else it returns any(check_valid(sig, args, kwargs) for sig in signatures[func])

For `check_valid` (candidate 2):
   It tries to call func(*args, **kwargs) and returns True if no TypeError, else False.

For `_is_partial_args` (candidate 3):
   Similar to `_is_valid_args` but uses `check_partial`.

For `check_partial` (candidate 5):
   It pads args with None if there are too few positional-only args, then removes keyword-excluded items, then calls `is_partial_args` (candidate 4).

For `is_partial_args` (candidate 4):
   It first calls `_check_sigspec` (which

We have two failing tests:

1. test_is_valid: 
   - For `functools.partial` with args=(1,) and kwargs={'func': 1}, the function `_is_valid_args` returns False, but the test expects it to be truthy (or at least not False? Actually the test does: `assert check_valid(f, 1)` where f is the partial, so it expects True).

2. test_is_partial:
   - For `functools.partial` with args=() and kwargs={'func': 1}, the function `_is_partial_args` returns False, but the test expects True.

Looking at the code:

For `_is_valid_args` (candidate 1):
   It returns None if func not in signatures, else it returns any(check_valid(sig, args, kwargs) for sig in signatures[func]).

For `functools.partial`, we assume it is in signatures. Then we call check_valid on each signature.

In check_valid (candidate 2):
   It takes a sig (which is a tuple: num_pos_only, func, keyword_exclude, sigspec).
   Then it does:
      if len(args) < num_pos_only: return False
      if keyword_exclude: remove those keys from kwargs
      then try: func(*args, **kwargs) -> return True, except TypeError: return False.

So for the first test: 
   f = functools.partial (with some func, say abs, and one argument 1 already bound? Actually the test does: 
        f = builtins.abs
        ... then later: 
        f = functools.partial(abs, 1)   ??? 

But wait, the test in test_is_valid does not show the partial case. However, the error message says:
   AssertionError: assert False
   where False = <function _is_valid_args at ...>

We have two failing tests:

1. test_is_valid: 
   - For `functools.partial` with args=(1,) and kwargs={'func': 1}, `_is_valid_args` returns False but the test expects True (or at least not False? Actually the test says: `assert check_valid(f, 1)` where f is builtins.abs, but the error shows it's testing `_is_valid_args(<class 'functools.partial'>, (1,), {'func': 1})` and getting False.

   Looking at the test code snippet for test_is_valid, we see:
   ```
   f = builtins.abs
   assert check_valid(f) is incomplete
   assert check_valid(f, 1)
   ...
   ```
   But the error is about `_is_valid_args` being called with `functools.partial`. This suggests that the test is also checking the registry for `functools.partial`? Actually, the test uses a parameter `check_valid=_is_valid_args` and then wraps it. So the test is using `_is_valid_args` directly.

   The error: 
   ```
   AssertionError: assert False
   E    +  where False = <function _is_valid_args at 0x...>(<class 'functools.partial'>, (1,), {'func': 1})
   ```

   So the test expects that `_is_valid_args(functools.partial, (1,), {'func': 1})` should be truthy (non-False and non-None?) but it returns False.

2. test_is_partial:
   - For `functools.partial` with args=() and kwargs={'func': 1}, `_is_partial_args` returns False but the test expects True.

Let's focus on the first failure: `_is_valid_args(functools.partial, (1,), {'func': 1})` returns False.

In `_is_valid_args`:
   - We look up `func` (which is `functools.parti

We have two failing tests:
1. test_is_valid: _is_valid_args(<class 'functools.partial'>, (1,), {'func': 1}) returns False, expected True.
2. test_is_partial: _is_partial_args(<class 'functools.partial'>, (), {'func': 1}) returns False, expected True.

We've already looked at _is_valid_args and check_valid. The issue seems to be that when we call check_valid for functools.partial with args=(1,) and kwargs={'func':1}, it returns False.

Let's think about what the signature for functools.partial might be in the registry. We don't have the registry, but we can infer.

The function functools.partial has a signature: partial(func, /, *args, **keywords). So it requires at least one positional argument (func). Then it can take any number of additional positional and keyword arguments.

In the test, we are calling _is_valid_args(partial, (1,), {'func':1}). This means:
- We are providing one positional argument: 1.
- We are providing a keyword argument: func=1.

But note: the first parameter of partial is 'func', which is positional-only (indicated by the '/' in the signature above). So if we pass 1 as the first positional argument, that should satisfy the 'func' parameter. Then we are also trying to pass 'func' as a keyword argument. This would be passing the same argument twice, which is invalid and should cause a TypeError.

However, the test expects this to be valid? Let's look at the test again:

In test_is_valid, we have:
    f = builtins.abs
    ... # some assertions
    f = bui