fix: remove unnecessary version checks

imaginairy/vendored/clip/clip.py

@@ -8,7 +8,6 @@
 
 import torch
 from PIL import Image
-from pkg_resources import packaging
 from torchvision.transforms import CenterCrop, Compose, Normalize, Resize, ToTensor
 from tqdm import tqdm
 
@@ -23,9 +22,6 @@
     BICUBIC = Image.BICUBIC
 
 
-if packaging.version.parse(torch.__version__) < packaging.version.parse("1.7.1"):
-    warnings.warn("PyTorch version 1.7.1 or higher is recommended")
-
 
 __all__ = ["available_models", "load", "tokenize"]
 _tokenizer = _Tokenizer()
@@ -272,10 +268,7 @@ def tokenize(
     sot_token = _tokenizer.encoder["<|startoftext|>"]
     eot_token = _tokenizer.encoder["<|endoftext|>"]
     all_tokens = [[sot_token] + _tokenizer.encode(text) + [eot_token] for text in texts]
-    if packaging.version.parse(torch.__version__) < packaging.version.parse("1.8.0"):
-        result = torch.zeros(len(all_tokens), context_length, dtype=torch.long)
-    else:
-        result = torch.zeros(len(all_tokens), context_length, dtype=torch.int)
+    result = torch.zeros(len(all_tokens), context_length, dtype=torch.int)
 
     for i, tokens in enumerate(all_tokens):
         if len(tokens) > context_length: