Fix transactions tab

src/sakia/gui/transactions_tab.py

@@ -150,6 +150,7 @@ class TransactionsTabWidget(QObject):
     @asyncify
     async def refresh_balance(self):
         self.ui.busy_balance.show()
+        try:
             amount = await self.app.current_account.amount(self.community)
             localized_amount = await self.app.current_account.current_ref.instance(amount, self.community,
                                                                            self.app).localized(units=True,
@@ -162,6 +163,10 @@ class TransactionsTabWidget(QObject):
                     localized_amount
                 )
             )
+        except NoPeerAvailable as e:
+            logging.debug(str(e))
+        except errors.DuniterError as e:
+            logging.debug(str(e))
         self.ui.busy_balance.hide()
 
     @once_at_a_time

src/sakia/gui/views/scenes/explorer_scene.py

@@ -150,7 +150,7 @@ class ExplorerScene(BaseScene):
         if not data[current]['sparent']:
             theta = 0
         else:
-            theta = data[current]['theta'] - data[current]['span'] / 2
+            theta = data[current]['theta'] - data[current]['span'] / 8
 
         for edge in nx_graph.to_undirected().edges(current):
             next_node = edge[0] if edge[0] != current else edge[1]
@@ -159,7 +159,7 @@ class ExplorerScene(BaseScene):
             if data[next_node]['theta']:
                 continue
 
-            data[next_node]['theta'] = theta + data[next_node]['span'] / 2.0
+            data[next_node]['theta'] = theta + data[next_node]['span'] / 8.0
             theta += data[next_node]['span']
             if data[next_node]['nchild'] > 0:
                 ExplorerScene._set_positions(nx_graph, data, next_node)
@@ -196,7 +196,7 @@ class ExplorerScene(BaseScene):
         for node in nx_graph.nodes():
             hyp = distances[node] + 1
             theta = data[node]['theta']
-            nx_pos[node] = (hyp * math.cos(theta) * 100, hyp * math.sin(theta) * 100)
+            nx_pos[node] = (hyp * math.cos(theta) * 200, hyp * math.sin(theta) * 200)
         return nx_pos
 
     def clear(self):