diff --git a/examples/save_and_load_private_key_file_ewif.py b/examples/save_and_load_private_key_file_ewif.py
index 2723b03360bf7bec937abf1dd5fda476b978f238..62b81206d79601297c7b5a9c6f861ec05125fdcc 100644
--- a/examples/save_and_load_private_key_file_ewif.py
+++ b/examples/save_and_load_private_key_file_ewif.py
@@ -53,8 +53,8 @@ try:
     # check public key from file
     print("Public key %s loaded from file %s" % (loaded_signer.pubkey, PRIVATE_KEY_FILE_PATH))
 
-except Exception as e:
-    print(e)
+except IOError as error:
+    print(error)
     exit(1)
 
 
diff --git a/examples/save_and_load_private_key_file_pubsec.py b/examples/save_and_load_private_key_file_pubsec.py
index 6447756e9e16872bf47c45f7a35d87390651f6de..3e2a5de61ea7efd2adcd272c4822d79098cb0625 100644
--- a/examples/save_and_load_private_key_file_pubsec.py
+++ b/examples/save_and_load_private_key_file_pubsec.py
@@ -50,8 +50,8 @@ try:
     # check public key from file
     print("Public key %s loaded from file %s" % (loaded_signer.pubkey, PRIVATE_KEY_FILE_PATH))
 
-except Exception as e:
-    print(e)
+except IOError as error:
+    print(error)
     exit(1)
 
 
diff --git a/examples/save_and_load_private_key_file_wif.py b/examples/save_and_load_private_key_file_wif.py
index 7cb7c662269772079b578ff2559e0021c550bcf4..efc28694ced69d383db809148d46123c57841d67 100644
--- a/examples/save_and_load_private_key_file_wif.py
+++ b/examples/save_and_load_private_key_file_wif.py
@@ -50,8 +50,8 @@ try:
     # check public key from file
     print("Public key %s loaded from file %s" % (loaded_signer.pubkey, PRIVATE_KEY_FILE_PATH))
 
-except Exception as e:
-    print(e)
+except IOError as error:
+    print(error)
     exit(1)
 
 
diff --git a/examples/save_revoke_document.py b/examples/save_revoke_document.py
index b17b3925d590616c8002caacbee58602b68fad6c..5102aebef16de9e85043f96b6e22734828cbdb27 100644
--- a/examples/save_revoke_document.py
+++ b/examples/save_revoke_document.py
@@ -131,7 +131,7 @@ async def main():
         exit(1)
 
     # get the revoke document
-    revocation_signed_raw_document = get_signed_raw_revocation_document(identity_document, salt, password)
+    revocation_signed_raw_document = get_signed_raw_revocation_document(identity, salt, password)
 
     # save revoke document in a file
     fp = open(REVOCATION_DOCUMENT_FILE_PATH, 'w')