HS: Fix pep8 and minor change.

src/View/HydraulicStructures/BasicHydraulicStructures/Window.py

@@ -45,7 +45,9 @@ from View.HydraulicStructures.BasicHydraulicStructures.Table import (
 )
 
 from View.Network.GraphWidget import GraphWidget
-from View.HydraulicStructures.BasicHydraulicStructures.Translate import BasicHydraulicStructuresTranslate
+from View.HydraulicStructures.BasicHydraulicStructures.Translate import (
+    BasicHydraulicStructuresTranslate
+)
 
 _translate = QCoreApplication.translate
 
@@ -150,25 +152,25 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
 
         table = self.find(QTableView, "tableView")
         table.selectionModel()\
-                 .selectionChanged\
-                 .connect(self.update)
+             .selectionChanged\
+             .connect(self.update)
 
         self._table.layoutChanged.connect(self.update)
 
     def index_selected(self):
         table = self.find(QTableView, "tableView")
-        r = table.selectionModel()\
-                    .selectedRows()
-        if len(r)>0:
+        r = table.selectionModel().selectedRows()
+
+        if len(r) > 0:
             return r[0]
         else:
             return None
 
     def index_selected_row(self):
         table = self.find(QTableView, "tableView")
-        r = table.selectionModel()\
-                    .selectedRows()
-        if len(r)>0:
+        r = table.selectionModel().selectedRows()
+
+        if len(r) > 0:
             return r[0].row()
         else:
             return None
@@ -187,6 +189,7 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
 
     def add(self):
         rows = self.index_selected_rows()
+
         if len(self._hs) == 0 or len(rows) == 0:
             self._table.add(0)
         else:
@@ -194,6 +197,7 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
 
     def delete(self):
         rows = self.index_selected_rows()
+
         if len(rows) == 0:
             return
 
@@ -213,6 +217,7 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
 
     def _set_checkbox_state(self):
         row = self.index_selected_row()
+
         if row is None:
             self._checkbox.setEnabled(False)
             self._checkbox.setChecked(True)
@@ -222,6 +227,7 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
 
     def _set_basic_structure_state(self):
         row = self.index_selected_row()
+
         if row is not None:
             self._table.enabled(
                 row,
@@ -230,7 +236,3 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
 
     def update(self):
         self._set_checkbox_state()
-        self._update_clear_plot()
-
-    def _update_clear_plot(self):
-        rows = self.index_selected_rows()