diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 742eac2..9727d4f 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -731,7 +731,7 @@
         """
         Flushes the stream.
         """
-        if self.stream:
+        if self.stream and hasattr(self.stream, "flush"):
             self.stream.flush()
 
     def emit(self, record):
@@ -787,7 +787,8 @@
         """
         if self.stream:
             self.flush()
-            self.stream.close()
+            if hasattr(self.stream, "close"):
+                self.stream.close()
             StreamHandler.close(self)
             self.stream = None
 
diff --git a/Lib/platform.py b/Lib/platform.py
index 8447d41..33033ff 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -1066,23 +1066,30 @@
 
     """
     global _uname_cache
+    no_os_uname = 0
 
     if _uname_cache is not None:
         return _uname_cache
 
+    processor = ''
+
     # Get some infos from the builtin os.uname API...
     try:
         system,node,release,version,machine = os.uname()
-
     except AttributeError:
-        # Hmm, no uname... we'll have to poke around the system then.
-        system = sys.platform
-        release = ''
-        version = ''
-        node = _node()
-        machine = ''
-        processor = ''
-        use_syscmd_ver = 1
+        no_os_uname = 1
+
+    if no_os_uname or not filter(None, (system, node, release, version, machine)):
+        # Hmm, no there is either no uname or uname has returned
+        #'unknowns'... we'll have to poke around the system then.
+        if no_os_uname:
+            system = sys.platform
+            release = ''
+            version = ''
+            node = _node()
+            machine = ''
+
+        use_syscmd_ver = 01
 
         # Try win32_ver() on win32 platforms
         if system == 'win32':
@@ -1093,8 +1100,10 @@
             # available on Win XP and later; see
             # http://support.microsoft.com/kb/888731 and
             # http://www.geocities.com/rick_lively/MANUALS/ENV/MSWIN/PROCESSI.HTM
-            machine = os.environ.get('PROCESSOR_ARCHITECTURE', '')
-            processor = os.environ.get('PROCESSOR_IDENTIFIER', machine)
+            if not machine:
+                machine = os.environ.get('PROCESSOR_ARCHITECTURE', '')
+            if not processor:
+                processor = os.environ.get('PROCESSOR_IDENTIFIER', machine)
 
         # Try the 'ver' system command available on some
         # platforms
@@ -1136,30 +1145,28 @@
             release,(version,stage,nonrel),machine = mac_ver()
             system = 'MacOS'
 
-    else:
-        # System specific extensions
-        if system == 'OpenVMS':
-            # OpenVMS seems to have release and version mixed up
-            if not release or release == '0':
-                release = version
-                version = ''
-            # Get processor information
-            try:
-                import vms_lib
-            except ImportError:
-                pass
-            else:
-                csid, cpu_number = vms_lib.getsyi('SYI$_CPU',0)
-                if (cpu_number >= 128):
-                    processor = 'Alpha'
-                else:
-                    processor = 'VAX'
+    # System specific extensions
+    if system == 'OpenVMS':
+        # OpenVMS seems to have release and version mixed up
+        if not release or release == '0':
+            release = version
+            version = ''
+        # Get processor information
+        try:
+            import vms_lib
+        except ImportError:
+            pass
         else:
-            # Get processor information from the uname system command
-            processor = _syscmd_uname('-p','')
+            csid, cpu_number = vms_lib.getsyi('SYI$_CPU',0)
+            if (cpu_number >= 128):
+                processor = 'Alpha'
+            else:
+                processor = 'VAX'
+    if not processor:
+        # Get processor information from the uname system command
+        processor = _syscmd_uname('-p','')
 
-    # 'unknown' is not really any useful as information; we'll convert
-    # it to '' which is more portable
+    #If any unknowns still exist, replace them with ''s, which are more portable
     if system == 'unknown':
         system = ''
     if node == 'unknown':
diff --git a/Lib/test/crashers/loosing_mro_ref.py b/Lib/test/crashers/loosing_mro_ref.py
index 5ecde63..a8c6e63 100644
--- a/Lib/test/crashers/loosing_mro_ref.py
+++ b/Lib/test/crashers/loosing_mro_ref.py
@@ -27,10 +27,9 @@
 class Base2(object):
     mykey = 'from Base2'
 
-class X(Base):
-    # you can't add a non-string key to X.__dict__, but it can be
-    # there from the beginning :-)
-    locals()[MyKey()] = 5
+# you can't add a non-string key to X.__dict__, but it can be
+# there from the beginning :-)
+X = type('X', (Base,), {MyKey(): 5})
 
 print(X.mykey)
 # I get a segfault, or a slightly wrong assertion error in a debug build.
diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 1a34ff8..acfe1f1 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -335,6 +335,7 @@
         self.assertEquals(l5(1, 2), 5)
         self.assertEquals(l5(1, 2, 3), 6)
         check_syntax_error(self, "lambda x: x = 2")
+        check_syntax_error(self, "lambda (None,): None")
         l6 = lambda x, y, *, k=20: x+y+k
         self.assertEquals(l6(1,2), 1+2+20)
         self.assertEquals(l6(1,2,k=10), 1+2+10)
diff --git a/Lib/test/test_heapq.py b/Lib/test/test_heapq.py
index 1c7c97f..fba4fd7 100644
--- a/Lib/test/test_heapq.py
+++ b/Lib/test/test_heapq.py
@@ -211,10 +211,11 @@
         class LE:
             def __init__(self, x):
                 self.x = x
-            def __lt__(self, other):
+            def __le__(self, other):
                 return self.x >= other.x
         data = [random.random() for i in range(100)]
         target = sorted(data, reverse=True)
+        print("HASATTR", hasattr(LE(0), "__lt__"), LE(0).__lt__)
         self.assertEqual(hsort(data, LT), target)
         self.assertEqual(hsort(data, LE), target)
 
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 917f626..616e665 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -8,6 +8,7 @@
 
 import sys
 ISBIGENDIAN = sys.byteorder == "big"
+IS32BIT = sys.maxsize == 0x7fffffff
 del sys
 
 try:
@@ -580,6 +581,11 @@
             for c in [b'\x01', b'\x7f', b'\xff', b'\x0f', b'\xf0']:
                 self.assertTrue(struct.unpack('>?', c)[0])
 
+    if IS32BIT:
+        def test_crasher(self):
+            self.assertRaises(MemoryError, struct.pack, "357913941b", "a")
+
+
 def test_main():
     run_unittest(StructTest)
 
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 4049802..08fc909 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -520,6 +520,9 @@
         self.check_sizeof(32768, h + self.align(2) + 2)
         self.check_sizeof(32768*32768-1, h + self.align(2) + 2)
         self.check_sizeof(32768*32768, h + self.align(2) + 4)
+        # tuple
+        self.check_sizeof((), h)
+        self.check_sizeof((1,2,3), h + 3*p)
 
 
 def test_main():