Gestito errore di verifica delle build con cartella quando non trovate.

loaih/build.py

@@ -159,6 +159,7 @@ class Build(loaih.RemoteBuild):
                 path = str.join('/', path_arr)
                 print(f"DEBUG - Name: {name}, URL: {path}")
                 matching = []
+                try:
                     with urllib.request.urlopen(path) as url:
                         matching = etree.HTML(url.read()).xpath(
                             f"//a[contains(@href, '{name}')]/@href"
@@ -168,6 +169,10 @@ class Build(loaih.RemoteBuild):
                         # Already built.
                         self.built[arch] = True
 
+                except urllib.error.HTTPError:
+                    # The URL specified do not exist. So it is to build.
+                    pass
+
             else:
                 # Repo is local
                 print(f"Searching for {self.appimagefilename[arch]}")