diff --git a/examples/roman10.py b/examples/roman10.py
index a6f23fb..506f8cd 100644
--- a/examples/roman10.py
+++ b/examples/roman10.py
@@ -28,10 +28,10 @@ from_roman_table = {}
 
 def to_roman(n):
     '''convert integer to Roman numeral'''
-    if not (0 < n < 5000):
-        raise OutOfRangeError('number out of range (must be 1..4999)')
     if int(n) != n:
         raise NotIntegerError('non-integers can not be converted')
+    if not (0 < n < 5000):
+        raise OutOfRangeError('number out of range (must be 1..4999)')
     return to_roman_table[n]
 
 def from_roman(s):
diff --git a/examples/roman9.py b/examples/roman9.py
index e97f75a..1c466e7 100644
--- a/examples/roman9.py
+++ b/examples/roman9.py
@@ -38,10 +38,10 @@ roman_numeral_pattern = re.compile('''
 
 def to_roman(n):
     '''convert integer to Roman numeral'''
-    if not (0 < n < 5000):
-        raise OutOfRangeError('number out of range (must be 1..4999)')
     if not isinstance(n, int):
         raise NotIntegerError('non-integers can not be converted')
+    if not (0 < n < 5000):
+        raise OutOfRangeError('number out of range (must be 1..4999)')
 
     result = ''
     for numeral, integer in roman_numeral_map:
diff --git a/refactoring.html b/refactoring.html
index 5856381..f70ef39 100755
--- a/refactoring.html
+++ b/refactoring.html
@@ -240,10 +240,10 @@ FAILED (errors=3)</samp></pre>
 
 def to_roman(n):
     '''convert integer to Roman numeral'''
-<a>    if not (0 &lt; n &lt; 5000):                        <span class=u>&#x2461;</span></a>
-        raise OutOfRangeError('number out of range (must be 1..4999)')
     if not isinstance(n, int):
         raise NotIntegerError('non-integers can not be converted')
+<a>    if not (0 &lt; n &lt; 5000):                        <span class=u>&#x2461;</span></a>
+        raise OutOfRangeError('number out of range (must be 1..4999)')
 
     result = ''
     for numeral, integer in roman_numeral_map:
diff --git a/util/validate.py b/util/validate.py
index 403c063..2458cbf 100644
--- a/util/validate.py
+++ b/util/validate.py
@@ -2,7 +2,7 @@ import sys
 try:
     import html5lib
 except ImportError:
-    sys.path.insert(0, '/Users/pilgrim/code/html5lib/python3/src/')
+    sys.path.insert(0, '/home/pilgrim/code/html5lib/python3/src/')
     import html5lib
 
 input_filename = sys.argv[1]