Update Mimic4Dataset.py

Mimic4Dataset.py

@@ -130,7 +130,7 @@ class Mimic4Dataset(datasets.GeneratorBasedBuilder):
         #####################clone git repo if doesnt exists
         repo_url='https://github.com/healthylaife/MIMIC-IV-Data-Pipeline'
         path_bench = './MIMIC-IV-Data-Pipeline'
-        if not os.path.exists(path_bench)
+        if not os.path.exists(path_bench):
             subprocess.run(["git", "clone", repo_url, path_bench],shell = True,capture_output=True)
             os.makedirs(path_bench+'/'+'mimic-iv')
             shutil.move(version,path_bench+'/'+'mimic-iv')