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make the assert work with numpy integers #177

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make the assert work with numpy integers #177

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5f4c8bd
make the assert work with numpy integers
May 16, 2025
36b75ed
fix typo on np.issubdtype
May 16, 2025
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11 changes: 6 additions & 5 deletions textgrad/variable.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
from textgrad.engine import EngineLM
from typing import List, Set, Dict
import httpx
import numpy as np
from collections import defaultdict
from functools import partial
from .config import SingletonBackwardEngine
Expand All @@ -11,7 +12,7 @@
class Variable:
def __init__(
self,
value: Union[str, bytes] = "",
value: Union[str, bytes, np.integer] = "",
image_path: str = "",
predecessors: List['Variable']=None,
requires_grad: bool=True,
Expand All @@ -33,14 +34,14 @@ def __init__(

if predecessors is None:
predecessors = []

_predecessor_requires_grad = [v for v in predecessors if v.requires_grad]

if (not requires_grad) and (len(_predecessor_requires_grad) > 0):
raise Exception("If the variable does not require grad, none of its predecessors should require grad."
f"In this case, following predecessors require grad: {_predecessor_requires_grad}")
assert type(value) in [str, bytes, int], "Value must be a string, int, or image (bytes). Got: {}".format(type(value))

assert type(value) in [str, bytes, int] or np.issubdtype(value, np.integer), "Value must be a string, int, or image (bytes). Got: {}".format(type(value))
if isinstance(value, int):
value = str(value)
# We'll currently let "empty variables" slide, but we'll need to handle this better in the future.
Expand Down