diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py
index 7db7950..48c06d7 100644
--- a/src/escpos/escpos.py
+++ b/src/escpos/escpos.py
@@ -98,7 +98,7 @@ class Escpos(object):
             # GS v 0, raster format bit image
             density_byte = (0 if high_density_horizontal else 1) + (0 if high_density_vertical else 2)
             header = GS + b"v0" + six.int2byte(density_byte) + self._int_low_high(im.width_bytes, 2) +\
-                     self._int_low_high(im.height, 2)
+                self._int_low_high(im.height, 2)
             self._raw(header + im.to_raster_format())
 
         if impl == "graphics":
@@ -328,7 +328,7 @@ class Escpos(object):
                     function_type = 'B'
                 else:
                     raise BarcodeTypeError((
-                            "Barcode type '{bc} is not valid").format(bc=bc))
+                        "Barcode type '{bc} is not valid").format(bc=bc))
 
         bc_types = BARCODE_TYPES[function_type.upper()]
         if bc.upper() not in bc_types.keys():
diff --git a/src/escpos/magicencode.py b/src/escpos/magicencode.py
index 554f293..8842c75 100644
--- a/src/escpos/magicencode.py
+++ b/src/escpos/magicencode.py
@@ -62,8 +62,8 @@ class Encoder(object):
         encoding = CodePages.get_encoding_name(encoding)
         if not encoding in self.codepages:
             raise ValueError((
-                    'Encoding "{}" cannot be used for the current profile. '
-                    'Valid encodings are: {}'
+                'Encoding "{}" cannot be used for the current profile. '
+                'Valid encodings are: {}'
                 ).format(encoding, ','.join(self.codepages.keys())))
         return encoding