1 files changed, 4 insertions, 4 deletions
diff --git a/quality_control/errors.py b/quality_control/errors.py
index 0802159..29a38f9 100644
--- a/quality_control/errors.py
+++ b/quality_control/errors.py
@@ -4,21 +4,21 @@ class InvalidCellValue(Exception):
     """Raised when a function encounters an invalid value"""
 
     def __init__(self, *args):
-        super().__init__(self, *args)
+        super().__init__(*args)
 
 class InvalidHeaderValue(Exception):
     """Raised when a header contains values not in the reference file."""
 
     def __init__(self, *args):
-        super().__init__(self, *args)
+        super().__init__(*args)
 
 class DuplicateHeader(Exception):
     """Raised when a header contains 2 similar headers."""
 
     def __init__(self, *args):
-        super().__init__(self, *args)
+        super().__init__(*args)
 
 class ParseError(Exception):
     """Raised if any of the above exceptions are raised"""
     def __init__(self, *args):
-        super().__init__(self, *args)
+        super().__init__(*args)