chore: se formatean archivos estilo pep8

call.py

@@ -4,6 +4,7 @@ from datetime import date
 from .Util.interest import Interest
 from .Util.call_types import CallTypes
 
+
 class Call(ModelSQL, ModelView):
     'Llamada'
 

prospect.py

@@ -2,6 +2,7 @@
 # this repository contains the full copyright notices and license terms.
 from trytond.model import ModelSQL, ModelView, fields
 
+
 class Prospect(ModelSQL, ModelView):
     'Prospecto'
     __name__ = 'sale.prospect'
@@ -9,7 +10,8 @@ class Prospect(ModelSQL, ModelView):
     name = fields.Char('Name')
     city = fields.Char('City')
 
-    contact_methods = fields.One2Many('prospect.contact_method', 'prospect', 'Contact methods') 
+    contact_methods = fields.One2Many(
+        'prospect.contact_method', 'prospect', 'Contact methods')
 
 
 class ContactMethod(ModelSQL, ModelView):
@@ -27,4 +29,3 @@ class ContactMethod(ModelSQL, ModelView):
     value = fields.Char('Value')
 
     prospect = fields.Many2One('sale.prospect', 'Prospect')
-    

prospect_trace.py

@@ -3,6 +3,7 @@
 from trytond.model import ModelSQL, ModelView, fields
 from .Util.interest import Interest
 
+
 class ProspectTrace(ModelSQL, ModelView):
     'Seguimiento de un prospecto'
 
@@ -10,13 +11,16 @@ class ProspectTrace(ModelSQL, ModelView):
 
     prospect = fields.Many2One('sale.prospect', 'Prospect')
     prospect_name = fields.Char('Name')
-    prospect_contact = fields.Many2One('prospect.contact_method', 'Contact method')
+    prospect_contact = fields.Many2One(
+        'prospect.contact_method', 'Contact method')
     prospect_city = fields.Char('City')
 
     calls = fields.One2Many('sale.call', 'prospect_trace', "Calls")
 
-    _interest_field_type = fields.Selection(Interest.get_interest_levels(), 'Interest')
-    current_interest = fields.Function(_interest_field_type, '_get_current_interest')
+    _interest_field_type = fields.Selection(
+        Interest.get_interest_levels(), 'Interest')
+    current_interest = fields.Function(
+        _interest_field_type, '_get_current_interest')
 
     @fields.depends('prospect')
     def on_change_prospect(self):
@@ -26,4 +30,3 @@ class ProspectTrace(ModelSQL, ModelView):
 
     def _get_current_interest(self, name):
         return self.calls[-1].interest
-