Fix some typos.

gns3server/controller/node.py

@@ -91,12 +91,12 @@ class Node:
 
         # Update node properties with additional elements
         for prop in kwargs:
-            if prop not in ignore_properties:
+            if prop and prop not in ignore_properties:
                 if hasattr(self, prop):
                     try:
                         setattr(self, prop, kwargs[prop])
                     except AttributeError as e:
-                        log.critical("Can't set attribute %s", prop)
+                        log.critical("Cannot set attribute '%s'".format(prop))
                         raise e
                 else:
                     if prop not in self.CONTROLLER_ONLY_PROPERTIES and kwargs[prop] is not None and kwargs[prop] != "":

gns3server/controller/project.py

@@ -935,7 +935,7 @@ class Project:
                 with open(project_path, "rb") as f:
                     project = yield from import_project(self._controller, str(uuid.uuid4()), f, location=location, name=name, keep_compute_id=True)
         except (ValueError, OSError, UnicodeEncodeError) as e:
-            raise aiohttp.web.HTTPConflict(text="Can not duplicate project: {}".format(str(e)))
+            raise aiohttp.web.HTTPConflict(text="Cannot duplicate project: {}".format(str(e)))
 
         if previous_status == "closed":
             yield from self.close()