diff --git a/lib/core/common.py b/lib/core/common.py
index 15be2daf7..3c78c5d65 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -124,7 +124,6 @@ from lib.core.settings import HOST_ALIASES
 from lib.core.settings import HTTP_CHUNKED_SPLIT_KEYWORDS
 from lib.core.settings import IGNORE_SAVE_OPTIONS
 from lib.core.settings import INFERENCE_UNKNOWN_CHAR
-from lib.core.settings import INVALID_UNICODE_CHAR_FORMAT
 from lib.core.settings import INVALID_UNICODE_PRIVATE_AREA
 from lib.core.settings import IP_ADDRESS_REGEX
 from lib.core.settings import ISSUES_PAGE
@@ -2421,7 +2420,7 @@ def getUnicode(value, encoding=None, noneToNull=False):
 
         try:
             return six.text_type(value, encoding or (kb.get("pageEncoding") if kb.get("originalPage") else None) or UNICODE_ENCODING)
-        except UnicodeDecodeError as ex:
+        except UnicodeDecodeError:
             return six.text_type(value, UNICODE_ENCODING, errors="reversible")
     elif isListLike(value):
         value = list(getUnicode(_, encoding, noneToNull) for _ in value)
diff --git a/lib/core/settings.py b/lib/core/settings.py
index eb52a52d5..8d506bc33 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -17,7 +17,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.3.4.20"
+VERSION = "1.3.4.22"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)