diff --git a/weboob/capabilities/bill.py b/weboob/capabilities/bill.py
index d7ac24fc..e1677885 100644
--- a/weboob/capabilities/bill.py
+++ b/weboob/capabilities/bill.py
@@ -170,6 +170,6 @@ class CapBill(CapCollection):
 
         :param subscription: subscription to get balance
         :type subscription: :class:`Subscription`
-        :rtype :class:`Detail`
+        :rtype: class:`Detail`
         """
         raise NotImplementedError()
diff --git a/weboob/capabilities/job.py b/weboob/capabilities/job.py
index d9721ffb..94059ae0 100644
--- a/weboob/capabilities/job.py
+++ b/weboob/capabilities/job.py
@@ -95,8 +95,8 @@ class CapJob(CapBase):
 
         :param _id: id of the advert
         :type _id: str
-        :param advert : the advert
-        :type advert : BaseJobAdvert
-        :rtype: :class:`BaseJobAdvert` or None is fot found.
+        :param advert: the advert
+        :type advert: BaseJobAdvert
+        :rtype: :class:`BaseJobAdvert` or None if not found.
         """
         raise NotImplementedError()
diff --git a/weboob/tools/capabilities/bank/transactions.py b/weboob/tools/capabilities/bank/transactions.py
index 0f0b76ae..6c150ed1 100644
--- a/weboob/tools/capabilities/bank/transactions.py
+++ b/weboob/tools/capabilities/bank/transactions.py
@@ -32,7 +32,7 @@ from weboob.tools.browser2.elements import TableElement, ItemElement
 from weboob.tools.browser2.filters import Filter, CleanText, CleanDecimal, TableCell
 
 
-__all__ = ['FrenchTransaction']
+__all__ = ['FrenchTransaction', 'AmericanTransaction']
 
 
 class classproperty(object):
@@ -103,11 +103,12 @@ class FrenchTransaction(Transaction):
         PATTERN class attribute) with a list containing tuples of regexp
         and the associated type, for example::
 
-        >>> PATTERNS = [(re.compile('^VIR(EMENT)? (?P<text>.*)'), FrenchTransaction.TYPE_TRANSFER),
-        ...             (re.compile('^PRLV (?P<text>.*)'),        FrenchTransaction.TYPE_ORDER),
-        ...             (re.compile('^(?P<text>.*) CARTE \d+ PAIEMENT CB (?P<dd>\d{2})(?P<mm>\d{2}) ?(.*)$'),
-        ...                                                       FrenchTransaction.TYPE_CARD)
-        ...            ]
+            PATTERNS = [(re.compile(r'^VIR(EMENT)? (?P<text>.*)'), FrenchTransaction.TYPE_TRANSFER),
+                        (re.compile(r'^PRLV (?P<text>.*)'),        FrenchTransaction.TYPE_ORDER),
+                        (re.compile(r'^(?P<text>.*) CARTE \d+ PAIEMENT CB (?P<dd>\d{2})(?P<mm>\d{2}) ?(.*)$'),
+                                                                   FrenchTransaction.TYPE_CARD)
+                       ]
+
 
         In regexps, you can define this patterns:
 
@@ -122,7 +123,7 @@ class FrenchTransaction(Transaction):
         self.category = NotAvailable
 
         if '  ' in self.raw:
-            self.category, useless, self.label = [part.strip() for part in self.raw.partition('  ')]
+            self.category, _, self.label = [part.strip() for part in self.raw.partition('  ')]
         else:
             self.label = self.raw