diff --git a/torchbenchmark/__init__.py b/torchbenchmark/__init__.py
index 634b49887c..0ed2003558 100644
--- a/torchbenchmark/__init__.py
+++ b/torchbenchmark/__init__.py
@@ -4,6 +4,7 @@
 import sys
 from urllib import request
 import importlib
+from typing import Any, List, Tuple
 
 proxy_suggestion = "Unable to verify https connectivity, " \
                    "required for setup.\n" \
@@ -14,7 +15,7 @@
 install_file = 'install.py'
 
 
-def _test_https(test_url='https://github.com', timeout=0.5):
+def _test_https(test_url: str = 'https://github.com', timeout: float = 0.5) -> bool:
     try:
         request.urlopen(test_url, timeout=timeout)
     except OSError:
@@ -22,7 +23,7 @@ def _test_https(test_url='https://github.com', timeout=0.5):
     return True
 
 
-def _install_deps(model_path, verbose=True):
+def _install_deps(model_path: str, verbose: bool = True) -> Tuple[bool, Any]:
     run_args = [
         [sys.executable, install_file],
     ]
@@ -35,7 +36,7 @@ def _install_deps(model_path, verbose=True):
             if not verbose:
                 run_kwargs['stderr'] = subprocess.STDOUT
                 run_kwargs['stdout'] = subprocess.PIPE
-            subprocess.run(*run_args, **run_kwargs)
+            subprocess.run(*run_args, **run_kwargs)  # type: ignore
         else:
             return (False, f"No install.py is found in {model_path}.")
     except subprocess.CalledProcessError as e:
@@ -43,15 +44,15 @@ def _install_deps(model_path, verbose=True):
     except Exception as e:
         return (False, e)
 
-    return (True,  None)
-    
+    return (True, None)
 
-def _list_model_paths():
+
+def _list_model_paths() -> List[str]:
     p = Path(__file__).parent.joinpath(model_dir)
     return sorted(str(child.absolute()) for child in p.iterdir() if child.is_dir())
 
 
-def setup(verbose=True, continue_on_fail=False):
+def setup(verbose: bool = True, continue_on_fail: bool = False) -> bool:
     if not _test_https():
         print(proxy_suggestion)
         sys.exit(-1)
@@ -66,7 +67,7 @@ def setup(verbose=True, continue_on_fail=False):
             print("FAIL")
             try:
                 errmsg = errmsg.decode()
-            except:
+            except Exception:
                 pass
             failures[model_path] = errmsg
             if not continue_on_fail:
@@ -81,15 +82,20 @@ def setup(verbose=True, continue_on_fail=False):
 
     return len(failures) == 0
 
+
 def list_models():
     models = []
     for model_path in _list_model_paths():
         model_name = os.path.basename(model_path)
-        module = importlib.import_module(f'.models.{model_name}', package=__name__)
-        if not hasattr(module, 'Model'):
+        try:
+            module = importlib.import_module(f'.models.{model_name}', package=__name__)
+        except ModuleNotFoundError as e:
+            print(f"Warning: Could not find dependent module {e.name} for Model {model_name}, skip it")
+            continue
+        Model = getattr(module, 'Model', None)
+        if Model is None:
             print(f"Warning: {module} does not define attribute Model, skip it")
             continue
-        Model = getattr(module, 'Model')
         if not hasattr(Model, 'name'):
             Model.name = model_name
         models.append(Model)