diff --git a/src/searchengine/nova/helpers.py b/src/searchengine/nova/helpers.py
index cb236f220..409dd95d4 100644
--- a/src/searchengine/nova/helpers.py
+++ b/src/searchengine/nova/helpers.py
@@ -1,4 +1,4 @@
-#VERSION: 1.42
+#VERSION: 1.43
 
 # Author:
 #  Christophe DUMEZ (chris@qbittorrent.org)
@@ -90,7 +90,7 @@ def retrieve_url(url):
     charset = 'utf-8'
     try:
         ignore, charset = info['Content-Type'].split('charset=')
-    except:
+    except Exception:
         pass
     dat = dat.decode(charset, 'replace')
     dat = htmlentitydecode(dat)
diff --git a/src/searchengine/nova/nova2.py b/src/searchengine/nova/nova2.py
index c286d0331..10453846e 100644
--- a/src/searchengine/nova/nova2.py
+++ b/src/searchengine/nova/nova2.py
@@ -1,4 +1,4 @@
-#VERSION: 1.42
+#VERSION: 1.43
 
 # Author:
 #  Fabien Devaux <fab AT gnux DOT info>
@@ -77,7 +77,7 @@ def initialize_engines():
             # bind class name
             globals()[engi] = getattr(engine_module, engi)
             supported_engines.append(engi)
-        except:
+        except Exception:
             pass
 
     return supported_engines
@@ -94,7 +94,7 @@ def engines_to_xml(supported_engines):
         if hasattr(search_engine, "supported_categories"):
             supported_categories = " ".join((key
                                              for key in search_engine.supported_categories.keys()
-                                             if key is not "all"))
+                                             if key != "all"))
 
         yield "".join((tab, "<", short_name, ">\n",
                        tab, tab, "<name>", search_engine.name, "</name>\n",
@@ -138,7 +138,7 @@ def run_search(engine_list):
         else:
             engine.search(what)
         return True
-    except:
+    except Exception:
         return False
 
 
diff --git a/src/searchengine/nova/nova2dl.py b/src/searchengine/nova/nova2dl.py
index 862270d86..c04a43749 100644
--- a/src/searchengine/nova/nova2dl.py
+++ b/src/searchengine/nova/nova2dl.py
@@ -1,4 +1,4 @@
-#VERSION: 1.21
+#VERSION: 1.22
 
 # Author:
 #  Christophe DUMEZ (chris@qbittorrent.org)
@@ -45,7 +45,7 @@ for engine in engines:
         exec("from engines.%s import %s" % (e, e))
         exec("engine_url = %s.url" % e)
         supported_engines[engine_url] = e
-    except:
+    except Exception:
         pass
 
 if __name__ == '__main__':
diff --git a/src/searchengine/nova/novaprinter.py b/src/searchengine/nova/novaprinter.py
index 502d5e4e8..bfd9615f5 100644
--- a/src/searchengine/nova/novaprinter.py
+++ b/src/searchengine/nova/novaprinter.py
@@ -1,4 +1,4 @@
-#VERSION: 1.46
+#VERSION: 1.47
 
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
@@ -51,13 +51,13 @@ def anySizeToBytes(size_string):
     # separate integer from unit
     try:
         size, unit = size_string.split()
-    except:
+    except Exception:
         try:
             size = size_string.strip()
             unit = ''.join([c for c in size if c.isalpha()])
             if len(unit) > 0:
                 size = size[:-len(unit)]
-        except:
+        except Exception:
             return -1
     if len(size) == 0:
         return -1
diff --git a/src/searchengine/nova3/helpers.py b/src/searchengine/nova3/helpers.py
index f830b4365..f17dad5af 100644
--- a/src/searchengine/nova3/helpers.py
+++ b/src/searchengine/nova3/helpers.py
@@ -1,4 +1,4 @@
-#VERSION: 1.41
+#VERSION: 1.42
 
 # Author:
 #  Christophe DUMEZ (chris@qbittorrent.org)
@@ -90,7 +90,7 @@ def retrieve_url(url):
     charset = 'utf-8'
     try:
         ignore, charset = info['Content-Type'].split('charset=')
-    except:
+    except Exception:
         pass
     dat = dat.decode(charset, 'replace')
     dat = htmlentitydecode(dat)
diff --git a/src/searchengine/nova3/nova2.py b/src/searchengine/nova3/nova2.py
index 5f49f99b6..0b11e3cdd 100644
--- a/src/searchengine/nova3/nova2.py
+++ b/src/searchengine/nova3/nova2.py
@@ -1,4 +1,4 @@
-#VERSION: 1.42
+#VERSION: 1.43
 
 # Author:
 #  Fabien Devaux <fab AT gnux DOT info>
@@ -76,7 +76,7 @@ def initialize_engines():
             # bind class name
             globals()[engi] = getattr(engine_module, engi)
             supported_engines.append(engi)
-        except:
+        except Exception:
             pass
 
     return supported_engines
@@ -93,7 +93,7 @@ def engines_to_xml(supported_engines):
         if hasattr(search_engine, "supported_categories"):
             supported_categories = " ".join((key
                                              for key in search_engine.supported_categories.keys()
-                                             if key is not "all"))
+                                             if key != "all"))
 
         yield "".join((tab, "<", short_name, ">\n",
                        tab, tab, "<name>", search_engine.name, "</name>\n",
@@ -138,7 +138,7 @@ def run_search(engine_list):
             engine.search(what)
 
         return True
-    except:
+    except Exception:
         return False
 
 
diff --git a/src/searchengine/nova3/nova2dl.py b/src/searchengine/nova3/nova2dl.py
index 862270d86..c04a43749 100644
--- a/src/searchengine/nova3/nova2dl.py
+++ b/src/searchengine/nova3/nova2dl.py
@@ -1,4 +1,4 @@
-#VERSION: 1.21
+#VERSION: 1.22
 
 # Author:
 #  Christophe DUMEZ (chris@qbittorrent.org)
@@ -45,7 +45,7 @@ for engine in engines:
         exec("from engines.%s import %s" % (e, e))
         exec("engine_url = %s.url" % e)
         supported_engines[engine_url] = e
-    except:
+    except Exception:
         pass
 
 if __name__ == '__main__':