pep8, typo, better display or err message(\n)

theano/compile/function_module.py

@@ -584,13 +584,15 @@ class Function(object):
                 # done by raise_with_op is not implemented in C.
                 if hasattr(self.fn, 'thunks'):
                     # For the CVM
-                    gof.vm.raise_with_op(self.fn.nodes[self.fn.position_of_error],
-                                         self.fn.thunks[self.fn.position_of_error])
+                    gof.vm.raise_with_op(
+                        self.fn.nodes[self.fn.position_of_error],
+                        self.fn.thunks[self.fn.position_of_error])
                 else:
-                    # For the c linker
-                    # We don't have access from python to all the temps values
-                    # So for now, we just don't print the extra shapes/strides info
-                    gof.vm.raise_with_op(self.fn.nodes[self.fn.position_of_error])
+                    # For the c linker We don't have access from
+                    # python to all the temps values So for now, we
+                    # just don't print the extra shapes/strides info
+                    gof.vm.raise_with_op(
+                        self.fn.nodes[self.fn.position_of_error])
             else:
                 # old-style linkers raise their own exceptions
                 raise

theano/gof/link.py

@@ -13,7 +13,7 @@ __excepthook = sys.excepthook
 
 
 def log_thunk_trace(value, f=sys.stderr):
-    """Log theano's diagnostic stack trace for an exception
+    """Log Theano's diagnostic stack trace for an exception
     raised by raise_with_op.
     """
     # in future, consider accepting `write` as arg rather than file
@@ -149,7 +149,7 @@ def raise_with_op(node, thunk=None, exc_info=None):
         sio = StringIO.StringIO()
         traceback.print_list(tr, sio)
         tr = sio.getvalue()
-        detailed_err_msg += "\nBacktrace when the node is created:"
+        detailed_err_msg += "\nBacktrace when the node is created:\n"
         detailed_err_msg += str(tr)
     else:
         hints.append(

theano/gof/vm.py

@@ -19,17 +19,18 @@ import theano.gof.cmodule
 logger = logging.getLogger(__name__)
 
 AddConfigVar('profile',
-        "If VM should collect profile information",
-        BoolParam(False),
-        in_c_key=False)
+             "If VM should collect profile information",
+             BoolParam(False),
+             in_c_key=False)
 AddConfigVar('profile_optimizer',
-        "If VM should collect optimizer profile information",
-        BoolParam(False),
-        in_c_key=False)
+             "If VM should collect optimizer profile information",
+             BoolParam(False),
+             in_c_key=False)
 AddConfigVar('profile_memory',
-        "If VM should collect memory profile information and print it",
-        BoolParam(False),
-        in_c_key=False)
+             "If VM should collect memory profile information and print it",
+             BoolParam(False),
+             in_c_key=False)
+
 
 def filter_vm_lazy(val):
     if val == 'False' or val is False:
@@ -40,7 +41,7 @@ def filter_vm_lazy(val):
         return None
     else:
         raise ValueError('Valid values for an vm.lazy parameter '
-                        'should be None, False or True, not `%s`.' % val)
+                         'should be None, False or True, not `%s`.' % val)
 
 AddConfigVar('vm.lazy',
              "Useful only for the vm linkers. When lazy is None,"