diff --git a/syntax/python/dateregex/dateregex/__init__.py b/syntax/python/dateregex/dateregex/__init__.py
index cfbc141..6864127 100644
--- a/syntax/python/dateregex/dateregex/__init__.py
+++ b/syntax/python/dateregex/dateregex/__init__.py
@@ -7,5 +7,5 @@
 # Website:     http://github.com/freitass/todo.txt-vim
 # Version:     0.1
 
-from after import regex_date_after
-from before import regex_date_before
+from dateregex.after import regex_date_after
+from dateregex.before import regex_date_before
diff --git a/syntax/python/dateregex/dateregex/after.py b/syntax/python/dateregex/dateregex/after.py
index 8a13574..1e4027a 100644
--- a/syntax/python/dateregex/dateregex/after.py
+++ b/syntax/python/dateregex/dateregex/after.py
@@ -20,7 +20,7 @@ def _year_regex_after(year):
             regex = '|' + year[0:idx]
             regex += '9' if digit == '8' else '[%s-9]' % str(int(digit) + 1)
             if idx < len(year) - 1:
-                regex += '\d{%s}' % (len(year) - (idx + 1)) 
+                regex += '\d{%s}' % (len(year) - (idx + 1))
             year_regex += regex
 
     year_regex += ')'
@@ -40,7 +40,7 @@ def _month_regex_after(year, month):
             if digit2 == '8':
                 month_regex = r'(' + month_regex + r'|09)'
             else:
-                month_regex = r'(' + month_regex + r'|0[%s-9])' 
+                month_regex = r'(' + month_regex + r'|0[%s-9])'
                 month_regex = month_regex % str(int(digit2) + 1)
     return '-'.join((year, month_regex, r'\d{2}'))
 
diff --git a/syntax/python/dateregex/dateregex/before.py b/syntax/python/dateregex/dateregex/before.py
index 8a3402e..0e8cb96 100644
--- a/syntax/python/dateregex/dateregex/before.py
+++ b/syntax/python/dateregex/dateregex/before.py
@@ -10,7 +10,7 @@
 from datetime import date, timedelta, MINYEAR
 
 def _year_regex_before(year):
-    if int(year) <= MINYEAR: 
+    if int(year) <= MINYEAR:
         return None
     year_regex = r'('
     year_regex += r'\d{1,%s}' % str(len(year) - 1) if len(year) > 1 else ''
@@ -19,12 +19,11 @@ def _year_regex_before(year):
             regex = '|' + year[0:idx]
             regex += '0' if digit == '1' else '[0-%s]' % str(int(digit) - 1)
             if idx < len(year) - 1:
-                regex += '\d{%s}' % (len(year) - (idx + 1)) 
+                regex += '\d{%s}' % (len(year) - (idx + 1))
             year_regex += regex
 
     year_regex += ')'
     return '-'.join((year_regex, r'\d{2}', r'\d{2}'))
-    
 def _month_regex_before(year, month):
     if month == '01':
         return None
@@ -33,7 +32,7 @@ def _month_regex_before(year, month):
     if digit1 == '0':
         month_regex = '01' if month == '02' else r'0[1-%s]' % str(int(digit2) - 1)
     elif month == '10':
-        month_regex = r'0\d' 
+        month_regex = r'0\d'
     elif month == '11':
         month_regex = r'(0\d|10)'
     else:
@@ -63,7 +62,6 @@ def _day_regex_before(year, month, day):
     return '-'.join((year, month, day_regex))
 
 
-    
 
 def regex_date_before(given_date):
     year, month, day = given_date.isoformat().split('-')
diff --git a/syntax/python/todo.py b/syntax/python/todo.py
index 36d0d9d..e928026 100644
--- a/syntax/python/todo.py
+++ b/syntax/python/todo.py
@@ -16,11 +16,11 @@ if os.path.isdir(dateregex_dir):
     sys.path.insert(0, dateregex_dir)
 
 def add_due_date_syntax_highlight():
-    try: 
+    try:
         from dateregex import regex_date_before
     except ImportError:
         print("dateregex module not found. Overdue dates won't be highlighted")
-        return 
+        return
 
     regex = regex_date_before(date.today())
     regex = r'(^|<)due:%s(>|$)' % regex
diff --git a/syntax/todo.vim b/syntax/todo.vim
index 46de37c..e8ad616 100644
--- a/syntax/todo.vim
+++ b/syntax/todo.vim
@@ -51,10 +51,12 @@ highlight  default  link  TodoDate       PreProc
 highlight  default  link  TodoProject    Special
 highlight  default  link  TodoContext    Special
 
+let b:curdir = expand('<sfile>:p:h')
+let s:script_dir = b:curdir . "/python/"
 if has('python')
-    let b:curdir = expand('<sfile>:p:h')
-    let s:script_dir = b:curdir . "/python/"
     execute "pyfile " . s:script_dir. "todo.py"
+elseif has('python3')
+    execute "py3file " . s:script_dir. "todo.py"
 endif
 
 let b:current_syntax = "todo"