From 707a7b50342350dfc42b03ac5921e3f614476b43 Mon Sep 17 00:00:00 2001
From: nd-02110114 <nd.12021218@gmail.com>
Date: Wed, 14 Oct 2020 12:13:25 +0900
Subject: [PATCH] :bug: fix bug

---
 deepchem/feat/base_classes.py | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/deepchem/feat/base_classes.py b/deepchem/feat/base_classes.py
index 310e61f70e..735236d268 100644
--- a/deepchem/feat/base_classes.py
+++ b/deepchem/feat/base_classes.py
@@ -134,18 +134,19 @@ def __str__(self) -> str:
 
     override_args_info = ''
     for arg_name, default in zip(args_names, args_default_values):
-      arg_value = self.__dict__[arg_name]
-      # validation
-      # skip list
-      if isinstance(arg_value, list):
-        continue
-      if isinstance(arg_value, str):
-        # skip path string
-        if "\\/." in arg_value or "/" in arg_value or '.' in arg_value:
+      if arg_name in self.__dict__:
+        arg_value = self.__dict__[arg_name]
+        # validation
+        # skip list
+        if isinstance(arg_value, list):
           continue
-      # main logic
-      if default != arg_value:
-        override_args_info += '_' + arg_name + '_' + str(arg_value)
+        if isinstance(arg_value, str):
+          # skip path string
+          if "\\/." in arg_value or "/" in arg_value or '.' in arg_value:
+            continue
+        # main logic
+        if default != arg_value:
+          override_args_info += '_' + arg_name + '_' + str(arg_value)
     return self.__class__.__name__ + override_args_info