[FIX] solve issue on currency the main currency is not the first line (line are ordered by currency name). So we should take the journal currency or company currency to know the right currency to use. Also add full header to avoid issue if the paypal header change

account_bank_statement_import_paypal/models/account_bank_statement_import_paypal.py

@@ -21,8 +21,17 @@ except (ImportError, IOError) as err:
 # value are translated. You can add you header here
 
 HEADERS = [
-    '"Date","Heure","Fuseau horaire","Description","Devise"',  # French
-    '"Date","Time","Time Zone","Description","Currency"',  # English
+    # French
+    '"Date","Heure","Fuseau horaire","Description","Devise","Avant commission"'
+    ',"Commission","Net","Solde","Numéro de transaction","Adresse email de '
+    'l\'expéditeur","Nom","Nom de la banque","Compte bancaire","Montant des '
+    'frais de livraison et de traitement","TVA","Identifiant de facture",'
+    '"Numéro de la transaction de référence"',
+    # English
+    '"Date","Time","Time Zone","Description","Currency","Gross ","Fee ","Net",'
+    '"Balance","Transaction ID","From Email Address","Name","Bank Name",'
+    '"Bank Account","Shipping and Handling Amount","Sales Tax","Invoice ID",'
+    '"Reference Txn ID"'
     ]
 
 
@@ -114,14 +123,15 @@ class AccountBankStatementImport(models.TransientModel):
             }
 
     def _post_process_statement_line(self, raw_lines):
-        # In the new paypal bank statement the first lines always
-        # have the currency of the paypal account
-        paypal_account_currency = raw_lines[0]['currency']
-
+        journal_id = self.env.context.get('journal_id')
+        if not journal_id:
+            raise UserError(_('You must run this wizard from the journal'))
+        journal = self.env['account.journal'].browse(journal_id)
+        currency = journal.currency_id or journal.company_id.currency_id
         currency_change_lines = {}
         real_transactions = []
         for line in raw_lines:
-            if line['currency'] != paypal_account_currency:
+            if line['currency'] != currency.name:
                 currency_change_lines[line['transaction_id']] = line
             else:
                 real_transactions.append(line)