diff --git a/src/Model/Tools/PamhyrDB.py b/src/Model/Tools/PamhyrDB.py
index 9488eb80acbe3c9784ca6fcc0a5831cd633aa32c..94eab5430d87882b438e25eff104334771f92a10 100644
--- a/src/Model/Tools/PamhyrDB.py
+++ b/src/Model/Tools/PamhyrDB.py
@@ -70,6 +70,7 @@ class SQLModel(SQL):
         return True
 
     def _create(self):
+
         raise NotImplementedMethodeError(self, self._create)
 
     def _update_submodel(self, version):
diff --git a/src/Model/Tools/PamhyrDict.py b/src/Model/Tools/PamhyrDict.py
index de96903d2ce0c86245967a4e209cd89ddf7dc789..93e563eb8384efade5f928b38b4e5bbac32f9a7c 100644
--- a/src/Model/Tools/PamhyrDict.py
+++ b/src/Model/Tools/PamhyrDict.py
@@ -56,7 +56,7 @@ class PamhyrModelDict(SQLSubModel):
     def __len__(self):
         return len(self._dict)
 
-    def is_defined(self, key):
+    def __contains__(self, key):
         return key in self._dict
 
     def set(self, key, new):
diff --git a/src/Model/Tools/PamhyrList.py b/src/Model/Tools/PamhyrList.py
index 024273cd0b11c4d68dc1fbe98a1c4aa18ce4591f..b0cc282de5b69e0a596e688dc4b1a2d89db2af3b 100644
--- a/src/Model/Tools/PamhyrList.py
+++ b/src/Model/Tools/PamhyrList.py
@@ -62,6 +62,14 @@ class PamhyrModelList(SQLSubModel):
 
     @property
     def lst(self):
+        """Return the PamhyrList as a Python list
+
+        Return the PamhyrList as a Python list.  This list is the
+        current list used in the PamhyrList object.  **If you need to
+        modify it, please make a copy.**
+
+        Returns: The Python list
+        """
         return self._lst
 
     def __len__(self):
@@ -70,11 +78,11 @@ class PamhyrModelList(SQLSubModel):
     def index(self, el):
         return self._lst.index(el)
 
-    def get(self, row):
-        return self._lst[row]
+    def get(self, index):
+        return self._lst[index]
 
-    def set(self, row, new):
-        self._lst[row] = new
+    def set(self, index, new):
+        self._lst[index] = new
         if self._status is not None:
             self._status.modified()
 
@@ -96,6 +104,14 @@ class PamhyrModelList(SQLSubModel):
             self._status.modified()
 
     def delete(self, lst):
+        """Delete a list of elements
+
+        Args:
+            lst: The list of elements
+
+        Returns:
+            Nothing
+        """
         for el in lst:
             self._lst.remove(el)
 
@@ -103,6 +119,14 @@ class PamhyrModelList(SQLSubModel):
             self._status.modified()
 
     def delete_i(self, indexes):
+        """Delete elements from list of indexes
+
+        Args:
+            indexes: The elements indexes
+
+        Returns:
+            Nothing
+        """
         lst = list(
             map(
                 lambda x: x[1],
@@ -178,16 +202,32 @@ class PamhyrModelListWithTab(SQLSubModel):
     ################
 
     def len(self, lst):
+        """Size of tab list
+
+        Args:
+            lst: The tab name
+
+        Returns:
+            The size of the tab list
+        """
         return len(self._tabs[lst])
 
     def get_tab(self, lst):
+        """Get tab list (copy) from name
+
+        Args:
+            lst: The tab name
+
+        Returns:
+            Nothing
+        """
         return self._tabs[lst].copy()
 
-    def get(self, lst, row):
-        return self._tabs[lst][row]
+    def get(self, lst, index):
+        return self._tabs[lst][index]
 
-    def set(self, lst, row, new):
-        self._tabs[lst][row] = new
+    def set(self, lst, index, new):
+        self._tabs[lst][index] = new
         self._status.modified()
 
     def new(self, lst, index):
@@ -203,15 +243,43 @@ class PamhyrModelListWithTab(SQLSubModel):
         raise NotImplementedMethodeError(self, self.new)
 
     def insert(self, lst, index, new):
+        """Insert element in tab
+
+        Args:
+            lst: The tab name
+            index: The index of new element
+            new: The new elements
+
+        Returns:
+            Nothing
+        """
         self._tabs[lst].insert(index, new)
         self._status.modified()
 
     def delete(self, lst, els):
+        """Delete elements from specific tab
+
+        Args:
+            lst: The tab name
+            els: The elements list
+
+        Returns:
+            Nothing
+        """
         for el in els:
             self._tabs[lst].remove(el)
         self._status.modified()
 
     def delete_i(self, lst, indexes):
+        """Delete elements from specific tab
+
+        Args:
+            lst: The tab name
+            indexes: The elements indexes
+
+        Returns:
+            Nothing
+        """
         els = list(
             map(
                 lambda x: x[1],
diff --git a/src/View/Debug/Window.py b/src/View/Debug/Window.py
index 1755d3d095ca72d37c587440299e66591145a285..a7aafa53c652773b1dc0771abd680e15bb8d494e 100644
--- a/src/View/Debug/Window.py
+++ b/src/View/Debug/Window.py
@@ -77,30 +77,10 @@ class ReplWindow(PamhyrWindow):
         layout.insertWidget(0, self._editor)
 
     def setup_connections(self):
-        self._hup_sc = QShortcut(QKeySequence("ctrl+Up"), self)
-        self._hdown_sc = QShortcut(QKeySequence("ctrl+Down"), self)
-        self._hup_sc.activated.connect(self.history_up)
-        self._hdown_sc.activated.connect(self.history_down)
-
         self.find(QPushButton, "pushButton").clicked.connect(self.eval_python)
 
-    def history_up(self):
-        if self._history_ind < len(self._history):
-            self._history_ind += 1
-            self._editor.setText(self._history[-self._history_ind])
-
-    def history_down(self):
-        if self._history_ind > 0:
-            self._history_ind -= 1
-            self._editor.setText(self._history[-self._history_ind])
-        else:
-            self._editor.setText("")
-
     def eval_python(self):
         code = self._editor.text()
-        self._history.append(code)
-        self._editor.setText("")
-        self._history_ind = 0
 
         # Code to rich_code
         rich_code = code.strip().split("\n")