diff --git a/pym/install/distr.py b/pym/install/distr.py
index 945299e..d09a5ee 100644
--- a/pym/install/distr.py
+++ b/pym/install/distr.py
@@ -97,12 +97,12 @@ class cpProcessProgress(processProgress):
         return 100
 
     def processString(self, strdata):
-        if strdata.startswith("cp:") or strdata.startswith("/bin/cp:"):
-            self._cachedata.append(strdata.partition(": ")[2])
-        if "->" in strdata:
+        if strdata.startswith(b"cp:") or strdata.startswith(b"/bin/cp:"):
+            self._cachedata.append(strdata.partition(b": ")[2])
+        if b"->" in strdata:
             self.value += 1
             if self.maxfiles:
-                percent = 100 * self.value / self.maxfiles
+                percent = 100 * self.value // self.maxfiles
                 percent = min(percent, 99)
                 if percent > self.percent:
                     self.percent = percent
@@ -116,7 +116,7 @@ def progressCopyFile(source, dest):
     Copy file with progress
     """
     size = int(os.lstat(source).st_size)
-    bufsize = (100 - (size % 100) + size) / 100
+    bufsize = (100 - (size % 100) + size) // 100
     with open(source, 'rb') as infile:
         with open(dest, 'w') as outfile:
             for i in range(1, 101):
@@ -388,9 +388,9 @@ class Distributive():
             if byfile:
                 percFiles = [x for x in listDirectory(fromdir) if byfile(x)]             
                 if len(percFiles) > 1:
-                    maxPercOnFile = 100 / len(percFiles)
+                    maxPercOnFile = 100 // len(percFiles)
                     recountPerc = \
-                        lambda perc, num: perc / len(
+                        lambda perc, num: perc // len(
                             percFiles) + maxPercOnFile * num
                 else:
                     recountPerc = lambda perc, num: perc