diff --git a/cgcs-patch/cgcs-patch/cgcs_make_patch/make_patch_functions.py b/cgcs-patch/cgcs-patch/cgcs_make_patch/make_patch_functions.py
index 6be1d59f..155b9c01 100644
--- a/cgcs-patch/cgcs-patch/cgcs_make_patch/make_patch_functions.py
+++ b/cgcs-patch/cgcs-patch/cgcs_make_patch/make_patch_functions.py
@@ -803,7 +803,7 @@ class RecipeData(object):
         self._parse_recipe(e)
 
     def __str__(self):
-        return "name: %s, packages: %s" % (self.name, str(self.packages.keys()))
+        return "name: %s, packages: %s" % (self.name, str(list(self.packages.keys())))
 
     def myprint(self, indent=""):
         print("%sname: %s" % (indent, self.name))
@@ -961,7 +961,7 @@ class PatchRecipeData(object):
         return rc
 
     def set_implicit_requires(self, patch_list):
-        self.auto_requires = patch_list.get_implicit_requires(self.patch_id, self.recipies.keys())
+        self.auto_requires = patch_list.get_implicit_requires(self.patch_id, list(self.recipies.keys()))
 
     def get_build_context(self):
         return self.build_context
@@ -1170,7 +1170,7 @@ class PatchRecipeData(object):
         write_xml_file(e_top, fname)
 
     def __str__(self):
-        return "[ patch_id: %s, context:  %s, metadata: %s, requires: %s, recipies: %s ]" % (str(self.patch_id), str(self.build_context), str(self.metadata), str(self.requires), str(self.recipies.keys()))
+        return "[ patch_id: %s, context:  %s, metadata: %s, requires: %s, recipies: %s ]" % (str(self.patch_id), str(self.build_context), str(self.metadata), str(self.requires), str(list(self.recipies.keys())))
 
     def myprint(self, indent=""):
         print("patch_id: %s" % str(self.patch_id))
diff --git a/cgcs-patch/cgcs-patch/cgcs_patch/patch_agent.py b/cgcs-patch/cgcs-patch/cgcs_patch/patch_agent.py
index 4c8d9c6f..ee10f403 100644
--- a/cgcs-patch/cgcs-patch/cgcs_patch/patch_agent.py
+++ b/cgcs-patch/cgcs-patch/cgcs_patch/patch_agent.py
@@ -303,7 +303,7 @@ class PatchAgentDnfTransLogCB(dnf.callback.TransactionProgress):
             if ti_done == 0 or ti_done == ti_total:
                 LOG.info('%s PROGRESS %s: %s %0.1f%% [%s/%s]',
                          self.log_prefix, action_str, package,
-                         (ti_done * 100 / ti_total),
+                         (ti_done * 100 // ti_total),
                          ts_done, ts_total)
         else:
             LOG.info('%s PROGRESS %s: %s [%s/%s]',
diff --git a/cgcs-patch/cgcs-patch/cgcs_patch/patch_controller.py b/cgcs-patch/cgcs-patch/cgcs_patch/patch_controller.py
index e2153329..42e6471f 100644
--- a/cgcs-patch/cgcs-patch/cgcs_patch/patch_controller.py
+++ b/cgcs-patch/cgcs-patch/cgcs_patch/patch_controller.py
@@ -2017,7 +2017,7 @@ class PatchController(PatchService):
             disk_space += statinfo.st_size
 
         if dry_run:
-            results["info"] = "This commit operation would free %0.2f MiB" % (disk_space / (1024.0 * 1024.0))
+            results["info"] = "This commit operation would free %0.2f MiB" % (disk_space / (1024.0 * 1024.0))  # pylint: disable=W1619
             return results
 
         # Do the commit
diff --git a/cgcs-patch/cgcs-patch/cgcs_patch/patch_functions.py b/cgcs-patch/cgcs-patch/cgcs_patch/patch_functions.py
index 009f90d7..38ddd1b0 100644
--- a/cgcs-patch/cgcs-patch/cgcs_patch/patch_functions.py
+++ b/cgcs-patch/cgcs-patch/cgcs_patch/patch_functions.py
@@ -228,20 +228,51 @@ class PackageVersion(object):
         self.release = release
 
     def __le__(self, other):
+        """
+        This function is called by comparison operators to compare
+        two versions. The rpm.labelCompare() function takes two versions,
+        specified in a list structure, and returns -1, 0, or 1.
+        """
         out = rpm.labelCompare((self.epoch, self.version, self.release),
                                (other.epoch, other.version, other.release))
         if out == 1:
             return False
         return True
 
-    def __cmp__(self, other):
-        """
-        This function is called by comparison operators to compare
-        two versions. The rpm.labelCompare() function takes two versions,
-        specified in a list structure, and returns -1, 0, or 1.
-        """
-        return rpm.labelCompare((self.epoch, self.version, self.release),
-                                (other.epoch, other.version, other.release))
+    def __eq__(self, other):
+        out = rpm.labelCompare((self.epoch, self.version, self.release),
+                               (other.epoch, other.version, other.release))
+        if out == 0:
+            return True
+        return False
+
+    def __ne__(self, other):
+        out = rpm.labelCompare((self.epoch, self.version, self.release),
+                               (other.epoch, other.version, other.release))
+        if out == 0:
+            return False
+        return True
+
+    def __gt__(self, other):
+        out = rpm.labelCompare((self.epoch, self.version, self.release),
+                               (other.epoch, other.version, other.release))
+        if out == 1:
+            return True
+        return False
+
+    def __lt__(self, other):
+        out = rpm.labelCompare((self.epoch, self.version, self.release),
+                               (other.epoch, other.version, other.release))
+        if out == -1:
+            return True
+        return False
+
+    def __ge__(self, other):
+        out = rpm.labelCompare((self.epoch, self.version, self.release),
+                               (other.epoch, other.version, other.release))
+        if out == -1:
+            return False
+        return True
 
     def __str__(self):
         """
diff --git a/cgcs-patch/cgcs-patch/pylint.rc b/cgcs-patch/cgcs-patch/pylint.rc
index 86c3044f..ae02e6f8 100644
--- a/cgcs-patch/cgcs-patch/pylint.rc
+++ b/cgcs-patch/cgcs-patch/pylint.rc
@@ -132,12 +132,8 @@ enable=E1603,E1609,E1610,E1602,E1606,E1608,E1607,E1605,E1604,E1601,E1611,W1652,
 # W1505, deprecated-method
 # H216, unittest mock
 # Disable Python3 checkers:
-#  W1618: no-absolute-import
-#  W1619: old-division
-#  W1630: cmp-method
-disable=C, H216, R, W0107, W0511, W0603, W0703, W0707, W1505, W1618, W1619,
-        W1630
-
+# W1618: no-absolute-import
+disable=C, H216, R, W0107, W0511, W0603, W0703, W0707, W1505, W1618
 
 [REPORTS]
 
diff --git a/cgcs-patch/cgcs-patch/pylint_make_patch.rc b/cgcs-patch/cgcs-patch/pylint_make_patch.rc
index 4eec62b5..391b5d8f 100644
--- a/cgcs-patch/cgcs-patch/pylint_make_patch.rc
+++ b/cgcs-patch/cgcs-patch/pylint_make_patch.rc
@@ -33,7 +33,87 @@ symbols=no
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option
 # multiple time. See also the "--disable" option for examples.
-#enable=
+#
+# Python3 checker:
+#
+# E1601: print-statement
+# E1602: parameter-unpacking
+# E1603: unpacking-in-except
+# E1604: old-raise-syntax
+# E1605: backtick
+# E1606: long-suffix
+# E1607: old-ne-operator
+# E1608: old-octal-literal
+# E1609: import-star-module-level
+# E1610: non-ascii-bytes-literal
+# E1611: invalid-unicode-literal
+# W1601: apply-builtin
+# W1602: basestring-builtin
+# W1603: buffer-builtin
+# W1604: cmp-builtin
+# W1605: coerce-builtin
+# W1606: execfile-builtin
+# W1607: file-builtin
+# W1608: long-builtin
+# W1609: raw_input-builtin
+# W1610: reduce-builtin
+# W1611: standarderror-builtin
+# W1612: unicode-builtin
+# W1613: xrange-builtin
+# W1614: coerce-method
+# W1615: delslice-method
+# W1616: getslice-method
+# W1617: setslice-method
+# W1618: no-absolute-import
+# W1619: old-division
+# W1620: dict-iter-method
+# W1621: dict-view-method
+# W1622: next-method-called
+# W1623: metaclass-assignment
+# W1624: indexing-exception
+# W1625: raising-string
+# W1626: reload-builtin
+# W1627: oct-method
+# W1628: hex-method
+# W1629: nonzero-method
+# W1630: cmp-method
+# W1632: input-builtin
+# W1633: round-builtin
+# W1634: intern-builtin
+# W1635: unichr-builtin
+# W1636: map-builtin-not-iterating
+# W1637: zip-builtin-not-iterating
+# W1638: range-builtin-not-iterating
+# W1639: filter-builtin-not-iterating
+# W1640: using-cmp-argument
+# W1641: eq-without-hash
+# W1642: div-method
+# W1643: idiv-method
+# W1644: rdiv-method
+# W1645: exception-message-attribute
+# W1646: invalid-str-codec
+# W1647: sys-max-int
+# W1648: bad-python3-import
+# W1649: deprecated-string-function
+# W1650: deprecated-str-translate-call
+# W1651: deprecated-itertools-function
+# W1652: deprecated-types-field
+# W1653: next-method-defined
+# W1654: dict-items-not-iterating
+# W1655: dict-keys-not-iterating
+# W1656: dict-values-not-iterating
+# W1657: deprecated-operator-function
+# W1658: deprecated-urllib-function
+# W1659: xreadlines-attribute
+# W1660: deprecated-sys-function
+# W1661: exception-escape
+# W1662: comprehension-escape
+enable=E1603,E1609,E1610,E1602,E1606,E1608,E1607,E1605,E1604,E1601,E1611,W1652,
+       W1651,W1649,W1657,W1660,W1658,W1659,W1623,W1622,W1620,W1621,W1645,W1641,
+       W1624,W1648,W1625,W1611,W1662,W1661,W1650,W1640,W1630,W1614,W1615,W1642,
+       W1616,W1628,W1643,W1629,W1627,W1644,W1617,W1601,W1602,W1603,W1604,W1605,
+       W1654,W1655,W1656,W1619,W1606,W1607,W1639,W1618,W1632,W1634,W1608,W1636,
+       W1653,W1646,W1638,W1609,W1610,W1626,W1633,W1647,W1635,W1612,W1613,W1637
 
 # Disable the message, report, category or checker with the given id(s). You
 # can either give multiple identifiers separated by comma (,) or put this
@@ -60,9 +140,10 @@ symbols=no
 # W0707 raise-missing-from
 # W1401 anomalous-backslash-in-string
 # W1505, deprecated-method
+# W1618: no-absolute-import
 disable=C, R, fixme, E1101,
         W0101, W0104, W0107, W0212, W0231, W0603, W0612, W0613, W0622, W0703, W0707,
-        W1401, W1505
+        W1401, W1505, W1618
 
 [REPORTS]