--- xlsx2csv-0.7.6/test/run
+++ xlsx2csv-0.7.6/test/run
@@ -5,8 +5,6 @@
 import subprocess
 from io import open
 
-PYTHON_VERSIONS = ["2.7"]
-
 """
 This test uses sys.stdout.
 That means this test doesn't verify:
@@ -16,31 +14,24 @@
 
 def compare(case, arguments=[]):
     failed = False
-    for pyver in PYTHON_VERSIONS:
-        ext = "xlsx"
-        if os.path.exists("test/%s.xlsm" % case):
-            ext = "xlsm"
-
-        if os.name == 'posix':# in case of Linux
-            left = subprocess.check_output(["python%s" %pyver, "./xlsx2csv.py"] + arguments + ["test/%s.%s" %(case, ext)]).decode('utf-8').replace('\r','')
-        elif os.name == 'nt':# in case of Windows
-            # Use py.exe http://blog.python.org/2011/07/python-launcher-for-windows_11.html on Windows
-            left = subprocess.check_output(["py", "-%s" %pyver, "./xlsx2csv.py"] + arguments + ["test/%s.%s" %(case, ext)]).decode('utf-8').replace('\r','')
-        else:
-            print("os.name is unexpected: "+os.name)
-            sys.exit(1)
-
-        f = open("test/%s.csv" %case, "r", encoding="utf-8", newline="")
-        right = f.read().replace('\r','')
-        f.close()
-
-        if left != right:
-            print("FAILED: %s %s" %(case, pyver))
-            print(" actual:", left.replace("\r", "\\r").replace("\n", "\\n"))
-            print(" expected:", right.replace("\r", "\\r").replace("\n", "\\n"))
-            failed = True
-        else:
-            print("OK: %s %s" %(case, pyver))
+    ext = "xlsx"
+    if os.path.exists("test/%s.xlsm" % case):
+        ext = "xlsm"
+
+    left = subprocess.check_output(["./xlsx2csv.py"] + arguments + ["test/%s.%s" %(case, ext)]).decode('utf-8').replace('\r','')
+
+    f = open("test/%s.csv" %case, "r", encoding="utf-8", newline="")
+    right = f.read().replace('\r','')
+    f.close()
+
+    if left != right:
+        print("FAILED: %s" % (case,))
+        print(" actual:", left.replace("\r", "\\r").replace("\n", "\\n"))
+        print(" expected:", right.replace("\r", "\\r").replace("\n", "\\n"))
+        failed = True
+    else:
+        print("OK: %s" % (case,))
+
     if failed:
         sys.exit(1)