fix issue with test failing due to hash builtin changing in python 3.2 then again in 3.8

setup.py

@@ -3,7 +3,7 @@ import codecs
 import os
 
 
-VERSION = '1.4.2'
+VERSION = '1.4.1'
 AUTHOR_NAME = 'Andy Port'
 AUTHOR_EMAIL = 'AndyAPort@gmail.com'
 GITHUB = 'https://github.com/mathandy/svgpathtools'

test/test_path.py

@@ -1,6 +1,6 @@
 # External dependencies
 from __future__ import division, absolute_import, print_function
-
+import os
 import sys
 import unittest
 from math import sqrt, pi
@@ -741,24 +741,37 @@ class TestPath(unittest.TestCase):
                        apath, line1, arc1, arc2, cub1, cub2, quad3, linez]
 
         # this is necessary due to changes to the builtin `hash` function
-        if sys.version_info.major + sys.version_info.minor < 3.8:
-            expected_hashes = [
-                -5762846476463470127, -138736730317965290, -2005041722222729058,
-                8448700906794235291, -5178990533869800243, -4003140762934044601,
-                8575549467429100514, 5166859065265868968, 1373103287265872323,
-                -1022491904150314631, 4188352014604112779, -5090374009174854814,
-                -7093907105533857815, 2036243740727202243, -8108488067585685407]
-        else:
+        python_version = sys.version_info.major + 0.1*sys.version_info.minor
+        user_hash_seed = os.environ.get("PYTHONHASHSEED", "")
+        os.environ["PYTHONHASHSEED"] = "314"
+        if 3.8 <= python_version:
             expected_hashes = [
                 -6073024107272494569, -2519772625496438197, 8726412907710383506,
                 2132930052750006195, 3112548573593977871, 991446120749438306,
                 -5589397644574569777, -4438808571483114580, -3125333407400456536,
                 -4418099728831808951, 702646573139378041, -6331016786776229094,
-                5053050772929443013, 6102272282813527681, -5385294438006156225,
+                5053050772929443013, 6102272282813527681, -5385294438006156225
+            ]
+        elif 3.2 <= python_version < 3.8:
+            expected_hashes = [
+                -5662973462929734898, 5166874115671195563, 5223434942701471389,
+                -7224979960884350294, -5178990533869800243, -4003140762934044601,
+                8575549467429100514, -6692132994808317852, 1594848578230132678,
+                -6374833902132909499, 4188352014604112779, -5090374009174854814,
+                -7093907105533857815, 2036243740727202243, -8108488067585685407
+            ]
+        else:
+            expected_hashes = [
+                -5762846476463470127, -138736730317965290, -2005041722222729058,
+                8448700906794235291, -5178990533869800243, -4003140762934044601,
+                8575549467429100514, 5166859065265868968, 1373103287265872323,
+                -1022491904150314631, 4188352014604112779, -5090374009174854814,
+                -7093907105533857815, 2036243740727202243, -8108488067585685407
             ]
 
         for c, h in zip(test_curves, expected_hashes):
             self.assertTrue(hash(c) == h, msg="hash {} was expected for curve = {}".format(h, c))
+        os.environ["PYTHONHASHSEED"] = user_hash_seed  # restore user's hash seed
 
     def test_circle(self):
         arc1 = Arc(0j, 100 + 100j, 0, 0, 0, 200 + 0j)