From c859a735eead481b21b88a8a40a60cb21f528497 Mon Sep 17 00:00:00 2001
From: David Kilias <david.kilias@gmail.com>
Date: Sat, 7 Nov 2020 19:48:17 +0100
Subject: [PATCH] fix validators for additional test cases

---
 validators/validators.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/validators/validators.py b/validators/validators.py
index aadab3e..9ff8f47 100644
--- a/validators/validators.py
+++ b/validators/validators.py
@@ -11,6 +11,8 @@ def empty(field: str) -> bool:
 
 
 def iso_date(field: str) -> bool:
+    if not field:
+        return False
     try:
         datetime.datetime.strptime(field, "%Y-%m-%d")
         return True
@@ -19,6 +21,10 @@ def iso_date(field: str) -> bool:
 
 
 def valid_iban(field: str) -> bool:
+    if not field:
+        return False
+    if not type(field) == str:
+        return False
     try:
         IBAN(field)
         return True
@@ -27,6 +33,10 @@ def valid_iban(field: str) -> bool:
 
 
 def valid_bic(field: str) -> bool:
+    if not field:
+        return False
+    if not type(field) == str:
+        return False
     try:
         BIC(field)
         return True