Update tatoeba_mt.py

tatoeba_mt.py

@@ -118,28 +118,28 @@ class tatoebaMT(datasets.GeneratorBasedBuilder):
 
         valid_path = os.path.join("test", f"tatoeba-dev.{lang_pair}.tsv")
         if os.path.exists(valid_path):
-            files["validation"] = test_path           
+            files["validation"] = valid_path           
 
         data_dir = dl_manager.download_and_extract(files)
 
         output = []
-        # if os.path.exists(data_dir["test"]):
-        test = datasets.SplitGenerator(
-            name=datasets.Split.TEST,
-            gen_kwargs={
-                "filepath": data_dir["test"]
-            }
-        )
-        output.append(test)
-
-        #if os.path.exists(data_dir["validation"]):
-        valid = datasets.SplitGenerator(
-            name=datasets.Split.VALIDATION,
-            gen_kwargs={
-                "filepath": data_dir["validation"]
-            }
-        )
-        output.append(valid)
+        if os.path.exists(test_path):
+            test = datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                gen_kwargs={
+                    "filepath": data_dir["test"]
+                }
+            )
+            output.append(test)
+
+        if os.path.exists(valid_path):
+            valid = datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                gen_kwargs={
+                    "filepath": data_dir["validation"]
+                }
+            )
+            output.append(valid)
 
         return output