python3: remove calls to unicode function

gui/kivy/uix/dialogs/installwizard.py

@@ -704,7 +704,7 @@ class AddXpubDialog(WizardDialog):
 
     def get_text(self):
         ti = self.ids.text_input
-        return unicode(ti.text).strip()
+        return ti.text.strip()
 
     def get_params(self, button):
         return (self.get_text(),)
@@ -715,7 +715,7 @@ class AddXpubDialog(WizardDialog):
         self.app.scan_qr(on_complete)
 
     def do_paste(self):
-        self.ids.text_input.text = test_xpub if is_test else unicode(self.app._clipboard.paste())
+        self.ids.text_input.text = test_xpub if is_test else self.app._clipboard.paste()
 
     def do_clear(self):
         self.ids.text_input.text = ''

gui/qt/installwizard.py

@@ -176,7 +176,7 @@ class InstallWizard(QDialog, MessageBoxMixin, BaseWizard):
         wallet_folder = os.path.dirname(self.storage.path)
 
         def on_choose():
-            path = unicode(QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder))
+            path = QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder)
             if path:
                 self.name_e.setText(path)
 
@@ -222,7 +222,7 @@ class InstallWizard(QDialog, MessageBoxMixin, BaseWizard):
             if not self.storage.file_exists():
                 break
             if self.storage.file_exists() and self.storage.is_encrypted():
-                password = unicode(self.pw_e.text())
+                password = self.pw_e.text()
                 try:
                     self.storage.decrypt(password)
                     break
@@ -467,7 +467,7 @@ class InstallWizard(QDialog, MessageBoxMixin, BaseWizard):
         line = QLineEdit()
         line.setText(default)
         def f(text):
-            self.next_button.setEnabled(test(unicode(text)))
+            self.next_button.setEnabled(test(text))
         line.textEdited.connect(f)
         vbox.addWidget(line)
         vbox.addWidget(WWLabel(warning))

lib/mnemonic.py

@@ -86,9 +86,6 @@ def is_CJK(c):
 
 def normalize_text(seed):
     # normalize
-    if six.PY2:
-        seed = unicodedata.normalize('NFKD', unicode(seed))
-    else:
     seed = unicodedata.normalize('NFKD', str(seed))
     # lower
     seed = seed.lower()

lib/storage.py

@@ -85,12 +85,6 @@ class WalletStorage(PrintError):
             except Exception as e:
                 raise IOError("Cannot read wallet file '%s'" % self.path)
             self.data = {}
-            # In old versions of Electrum labels were latin1 encoded, this fixes breakage.
-            for i, label in labels.items():
-                try:
-                    unicode(label)
-                except UnicodeDecodeError:
-                    d['labels'][i] = unicode(label.decode('latin1'))
             for key, value in d.items():
                 try:
                     json.dumps(key)

lib/websockets.py

@@ -114,7 +114,7 @@ class WsClientThread(util.DaemonThread):
                 for ws, amount in l:
                     if not ws.closed:
                         if sum(result.values()) >=amount:
-                            ws.sendMessage(unicode('paid'))
+                            ws.sendMessage('paid')