Make tqdm optional cause it interferes with thread monkey patching in…

… gevent (#61)

* Make tqdm optional cause it interferes with thread monkey patching in gevent

* Fixed for real

dl_translate/_translation_model.py

@@ -177,8 +177,11 @@ def translate(
         data_loader = torch.utils.data.DataLoader(text, batch_size=batch_size)
         output_text = []
 
+        tqdm_iterator = data_loader
+        if verbose is True:
+            tqdm_iterator = tqdm(data_loader)
         with torch.no_grad():
-            for batch in tqdm(data_loader, disable=not verbose):
+            for batch in tqdm_iterator:
                 encoded = self._tokenizer(batch, return_tensors="pt", padding=True)
                 encoded.to(self.device)