TypeError in tutorial-1.ipynb

[LoveFrootLoops]

Tried the jupyternotebook file " tutorial-1.ipynb".

It produced the Error: "TypeError: unsupported format string passed to LabelTensor.format"after the first epoch iteration.

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
Cell In [3], line 10
      8 pinn.span_pts(20, 'grid', ['D'])
      9 pinn.span_pts(20, 'grid', ['gamma1', 'gamma2', 'gamma3', 'gamma4'])
---> 10 pinn.train(5000, 100)

File ~\PycharmProjects\pythonProject\venv\lib\site-packages\pina\pinn.py:263, in PINN.train(self, stop, frequency_print, trial)
    261         print('[epoch {:05d}] {:.6e} '.format(self.trained_epoch, sum(losses).item()), end='')
    262         for loss in losses:
--> 263             print('{:.6e} '.format(loss), end='')
    264         print()
    266 return sum(losses).item()

File ~\PycharmProjects\pythonProject\venv\lib\site-packages\torch\_tensor.py:855, in Tensor.__format__(self, format_spec)
    853 def __format__(self, format_spec):
    854     if has_torch_function_unary(self):
--> 855         return handle_torch_function(Tensor.__format__, (self,), self, format_spec)
    856     if self.dim() == 0 and not self.is_meta and type(self) is Tensor:
    857         return self.item().__format__(format_spec)

File ~\PycharmProjects\pythonProject\venv\lib\site-packages\torch\overrides.py:1534, in handle_torch_function(public_api, relevant_args, *args, **kwargs)
   1528     warnings.warn("Defining your `__torch_function__ as a plain method is deprecated and "
   1529                   "will be an error in future, please define it as a classmethod.",
   1530                   DeprecationWarning)
   1532 # Use `public_api` instead of `implementation` so __torch_function__
   1533 # implementations can do equality/identity comparisons.
-> 1534 result = torch_func_method(public_api, types, args, kwargs)
   1536 if result is not NotImplemented:
   1537     return result

File ~\PycharmProjects\pythonProject\venv\lib\site-packages\torch\_tensor.py:1278, in Tensor.__torch_function__(cls, func, types, args, kwargs)
   1275     return NotImplemented
   1277 with _C.DisableTorchFunction():
-> 1278     ret = func(*args, **kwargs)
   1279     if func in get_default_nowrap_functions():
   1280         return ret

File ~\PycharmProjects\pythonProject\venv\lib\site-packages\torch\_tensor.py:858, in Tensor.__format__(self, format_spec)
    856 if self.dim() == 0 and not self.is_meta and type(self) is Tensor:
    857     return self.item().__format__(format_spec)
--> 858 return object.__format__(self, format_spec)

TypeError: unsupported format string passed to LabelTensor.__format__

[ndem0]

Dear @LoveFrootLoops,
thanks for reporting this issues, we are working on it to fix asap

[ndem0]

Fixed in #39
Please let us know if everything works fine now.