Use 'is False' instead of '== False'

bumblebee/modules/nic.py

@@ -100,7 +100,7 @@ class Module(bumblebee.engine.Module):
             widget.set("visited", True)
 
         for widget in widgets:
-            if widget.get("visited") == False:
+            if widget.get("visited") is False:
                 widgets.remove(widget)
     
     def get_ssid(self, intf):

bumblebee/modules/pulseaudio.py

@@ -105,12 +105,12 @@ class Module(bumblebee.engine.Module):
                 if "<"+device+">" in line:
                     found = True
                     continue
-                if found == False:
+                if found is False:
                     continue
                 for pattern in self._patterns:
                     if not pattern["expr"] in line:
                         continue
-                    if pattern["callback"](line) == False and found == True:
+                    if pattern["callback"](line) is False and found == True:
                         return
         except Exception:
             self._failed = True

bumblebee/modules/zpool.py

@@ -150,7 +150,7 @@ class Module(bumblebee.engine.Module):
                                                          band=bytefmt(nread)))
 
         for widget in widgets:
-            if widget.get("visited") == False:
+            if widget.get("visited") is False:
                 widgets.remove(widget)
 
     @staticmethod