Fix bugs in empty community

src/cutecoin/core/registry/identity.py

@@ -228,7 +228,7 @@ class Identity(QObject):
                                                                         {'search': self.pubkey})
             return certifiers['isMember']
         except ValueError as e:
-            if '404' in str(e):
+            if '404' in str(e) or '400' in str(e):
                 pass
             else:
                 raise

src/cutecoin/gui/certification.py

@@ -88,7 +88,7 @@ class CertificationDialog(QDialog, Ui_CertificationDialog):
         try:
             block_0 = yield from self.community.get_block(0)
         except ValueError as e:
-            if '404' in str(e):
+            if '404' in str(e) or '000' in str(e):
                 block_0 = None
         except NoPeerAvailable as e:
             logging.debug(str(e))

src/cutecoin/gui/community_view.py

@@ -192,7 +192,7 @@ class CommunityWidget(QWidget, Ui_CommunityWidget):
             except NoPeerAvailable as e:
                 logging.debug(str(e))
                 text += " ( ### ) "
-            except NoPeerAvailable as e:
+            except ValueError as e:
                 logging.debug(str(e))