diff --git a/mrp_bom_configurable/__manifest__.py b/mrp_bom_configurable/__manifest__.py
index 68d7300bed..21d6f6d611 100644
--- a/mrp_bom_configurable/__manifest__.py
+++ b/mrp_bom_configurable/__manifest__.py
@@ -21,7 +21,6 @@
         "views/input_line.xml",
         "views/input_line_wizard.xml",
     ],
-    "demo": [
-    ],
+    "demo": [],
     "installable": True,
 }
diff --git a/mrp_bom_configurable/models/mrp_bom.py b/mrp_bom_configurable/models/mrp_bom.py
index 8ddfa405de..a155b38ef9 100644
--- a/mrp_bom_configurable/models/mrp_bom.py
+++ b/mrp_bom_configurable/models/mrp_bom.py
@@ -55,8 +55,11 @@ def find_parent_bom_in_exploded(self, boms_done, parent_bom_id):
         return parent_bom_data
 
     def _recompute_variable_quantity(self, quantity, input_line, boms_done, lines_done):
-        for bom, bom_data in boms_done:
-            if bom_data["parent_line"] and bom_data["parent_line"].use_formula_compute_qty:
+        for _, bom_data in boms_done:
+            if (
+                bom_data["parent_line"]
+                and bom_data["parent_line"].use_formula_compute_qty
+            ):
                 bom_data["qty"] = bom_data["original_qty"] * bom_data[
                     "parent_line"
                 ].compute_qty_from_formula(input_line)
@@ -64,19 +67,11 @@ def _recompute_variable_quantity(self, quantity, input_line, boms_done, lines_do
         for bom_line, line_data in lines_done:
             parent_line = line_data["parent_line"]
 
-            parent_quantity = 1
-            if line_data["parent_line"] and parent_line.bom_id.type == "phantom":
-                parent_bom_data = self.find_parent_bom_in_exploded(
-                    boms_done, line_data["parent_line"].bom_id
-                )
-                parent_quantity = parent_bom_data["qty"]
-
-            line_data["qty"] = parent_quantity * line_data["qty"]
+            line_data["qty"] = line_data["qty"]
 
             if bom_line.use_formula_compute_qty:
-                line_data["qty"] = (
-                    line_data["qty"]
-                    * bom_line.compute_qty_from_formula(input_line)
+                line_data["qty"] = line_data["qty"] * bom_line.compute_qty_from_formula(
+                    input_line
                 )
 
             while parent_line and parent_line.bom_id.type == "phantom":
@@ -99,4 +94,3 @@ def explode(self, product, quantity, picking_type=False):
                 quantity, input_line, boms_done, lines_done
             )
         return boms_done, lines_done
-
diff --git a/mrp_bom_configurable/models/mrp_bom_line.py b/mrp_bom_configurable/models/mrp_bom_line.py
index e55e5f90c3..99f3375eb4 100644
--- a/mrp_bom_configurable/models/mrp_bom_line.py
+++ b/mrp_bom_configurable/models/mrp_bom_line.py
@@ -21,6 +21,21 @@ def check_domain(domain, values, current_name, parent_name):
 
     if len(domain) == 1:
         domain.append(True)
+
+    # make domain a proper PN input
+    # a = [o, d, d, d, d, o, d, d]
+    # a = [o, d, d, d, o, d, o, d, d]
+    # a = [o, d, d, o, d, o, d, o, d, d]
+    # a = [o, d, d, o, d, o, d, o, d, d]
+    # a = [o, d, o, d, o, d, o, d, o, d, d]
+    current_index = len(domain) - 2
+    while current_index > 0:
+        if domain[current_index - 1] not in ["&", "|"]:
+            domain.insert(current_index, "&")
+            current_index += 1
+        current_index -= 2
+
+    # This check the front of the domain which should always be a operator
     if domain[0] not in ["&", "|"]:
         domain.insert(0, "&")
 
@@ -98,7 +113,9 @@ def _create_context(self, input_line):
                 context[param] = input_line[param]
 
         math_module = __import__("math")
-        math = wrap_module(math_module, [f for f in math_module.__dict__ if "__" not in f])
+        math = wrap_module(
+            math_module, [f for f in math_module.__dict__ if "__" not in f]
+        )
         context["math"] = math
         return context
 
diff --git a/mrp_bom_configurable/views/bom.xml b/mrp_bom_configurable/views/bom.xml
index afc66eff8d..a016f561bd 100644
--- a/mrp_bom_configurable/views/bom.xml
+++ b/mrp_bom_configurable/views/bom.xml
@@ -12,7 +12,7 @@
                 expr="//field[@name='bom_line_ids']/tree/field[@name='product_uom_id']"
                 position="after"
             >
-                <field name="domain">
+                <field name="domain" />
                 <button
                     name="ui_update_domain"
                     type="object"