correcao da identacao

pynfe/processamento/assinatura.py

@@ -6,25 +6,25 @@ except ImportError:
     from StringIO import StringIO
 
 try:
-  from lxml import etree
+    from lxml import etree
 except ImportError:
-  try:
-    # Python 2.5 - cElementTree
-    import xml.etree.cElementTree as etree
-  except ImportError:
     try:
-      # Python 2.5 - ElementTree
-      import xml.etree.ElementTree as etree
+        # Python 2.5 - cElementTree
+        import xml.etree.cElementTree as etree
     except ImportError:
-      try:
-        # Instalacao normal do cElementTree
-        import cElementTree as etree
-      except ImportError:
         try:
-          # Instalacao normal do ElementTree
-          import elementtree.ElementTree as etree
+            # Python 2.5 - ElementTree
+            import xml.etree.ElementTree as etree
         except ImportError:
-          raise Exception('Falhou ao importar lxml/ElementTree')
+            try:
+                # Instalacao normal do cElementTree
+                import cElementTree as etree
+            except ImportError:
+                try:
+                    # Instalacao normal do ElementTree
+                    import elementtree.ElementTree as etree
+                except ImportError:
+                    raise Exception('Falhou ao importar lxml/ElementTree')
 
 import xmlsec, libxml2 # FIXME: verificar ambiguidade de dependencias: lxml e libxml2
 
@@ -113,10 +113,10 @@ class AssinaturaA1(Assinatura):
         # Tag de assinatura
         if raiz.getroot().find('Signature') is None:
             signature = etree.Element(
-                    'Signature',
-                    URI=raiz.getroot().getchildren()[0].attrib['Id'],
-                    xmlns=NAMESPACE_SIG,
-                    )
+                'Signature',
+                URI=raiz.getroot().getchildren()[0].attrib['Id'],
+                xmlns=NAMESPACE_SIG,
+            )
             signature.text = ''
             raiz.getroot().insert(0, signature)
 
@@ -142,12 +142,12 @@ class AssinaturaA1(Assinatura):
 
         # Buscamos a chave no arquivo do certificado
         chave = xmlsec.cryptoAppKeyLoad(
-                filename=str(self.certificado.caminho_arquivo),
-                format=xmlsec.KeyDataFormatPkcs12,
-                pwd=str(self.senha),
-                pwdCallback=None,
-                pwdCallbackCtx=None,
-                )
+            filename=str(self.certificado.caminho_arquivo),
+            format=xmlsec.KeyDataFormatPkcs12,
+            pwd=str(self.senha),
+            pwdCallback=None,
+            pwdCallbackCtx=None,
+        )
 
         # Cria a variável de chamada (callable) da função de assinatura
         assinador = xmlsec.DSigCtx()