diff --git a/addons/account_check_printing/models/account_payment.py b/addons/account_check_printing/models/account_payment.py
index d4ab83da890..42515a8e20b 100644
--- a/addons/account_check_printing/models/account_payment.py
+++ b/addons/account_check_printing/models/account_payment.py
@@ -12,7 +12,7 @@ class AccountRegisterPayments(models.TransientModel):
     _inherit = "account.register.payments"
 
     check_amount_in_words = fields.Char(string="Amount in Words")
-    check_manual_sequencing = fields.Boolean(related='journal_id.check_manual_sequencing')
+    check_manual_sequencing = fields.Boolean(related='journal_id.check_manual_sequencing', readonly=1)
     # Note: a check_number == 0 means that it will be attributed when the check is printed
     check_number = fields.Integer(string="Check Number", readonly=True, copy=False, default=0,
         help="Number of the check corresponding to this payment. If your pre-printed check are not already numbered, "
@@ -35,7 +35,6 @@ class AccountRegisterPayments(models.TransientModel):
         res = super(AccountRegisterPayments, self).get_payment_vals()
         if self.payment_method_id == self.env.ref('account_check_printing.account_payment_method_check'):
             res.update({
-                'check_amount_in_words': self.check_amount_in_words,
                 'check_manual_sequencing': self.check_manual_sequencing,
             })
         return res
diff --git a/addons/payment_stripe/models/payment.py b/addons/payment_stripe/models/payment.py
index ca6a8d5f592..140b575071b 100644
--- a/addons/payment_stripe/models/payment.py
+++ b/addons/payment_stripe/models/payment.py
@@ -7,6 +7,7 @@ from odoo import api, fields, models, _
 from odoo.addons.payment.models.payment_acquirer import ValidationError
 from odoo.exceptions import UserError
 from odoo.tools.safe_eval import safe_eval
+from odoo.tools.float_utils import float_round
 
 _logger = logging.getLogger(__name__)
 
@@ -90,7 +91,7 @@ class PaymentTransactionStripe(models.Model):
     def _create_stripe_charge(self, acquirer_ref=None, tokenid=None, email=None):
         api_url_charge = 'https://%s/charges' % (self.acquirer_id._get_stripe_api_url())
         charge_params = {
-            'amount': int(self.amount if self.currency_id.name in INT_CURRENCIES else self.amount*100),
+            'amount': int(self.amount if self.currency_id.name in INT_CURRENCIES else float_round(self.amount * 100, 2)),
             'currency': self.currency_id.name,
             'metadata[reference]': self.reference
         }
diff --git a/addons/purchase/i18n/purchase.pot b/addons/purchase/i18n/purchase.pot
index 081dcd5cb23..a140ef02eda 100644
--- a/addons/purchase/i18n/purchase.pot
+++ b/addons/purchase/i18n/purchase.pot
@@ -120,8 +120,7 @@ msgstr ""
 #: model:mail.template,body_html:purchase.mail_template_data_notification_email_purchase_order
 msgid "<html>\n"
 "                <head></head>\n"
-"                % set record = ctx.get('record')\n"
-"                % set company = record and record.company_id or user.company_id\n"
+"                % set company = record and record.company_id or or ctx.get('company')\n"
 "                <body style=\"margin: 0; padding: 0;\">\n"
 "                <table border=\"0\" width=\"100%\" cellpadding=\"0\" bgcolor=\"#ededed\" style=\"padding: 20px; background-color: #ededed\" summary=\"o_mail_notification\">\n"
 "                    <tbody>\n"
diff --git a/odoo/addons/base/res/res_partner.py b/odoo/addons/base/res/res_partner.py
index af0efd12e00..4242fee8098 100644
--- a/odoo/addons/base/res/res_partner.py
+++ b/odoo/addons/base/res/res_partner.py
@@ -703,7 +703,7 @@ class Partner(models.Model):
 
     def _get_gravatar_image(self, email):
         gravatar_image = False
-        email_hash = hashlib.md5(email.lower()).hexdigest()
+        email_hash = hashlib.md5(email.lower().encode('utf-8')).hexdigest()
         url = "https://www.gravatar.com/avatar/" + email_hash
         try:
             image_content = urllib2.urlopen(url + "?d=404&s=128", timeout=5).read()