From e9f97affb293e1dd237ecaaa23e0b6c4e818446b Mon Sep 17 00:00:00 2001
From: Valentina Kiryushkina <valentina.kiryushkina@jetbrains.com>
Date: Tue, 13 Sep 2016 18:40:26 +0300
Subject: [PATCH] Fix PY-20754 Supress  'Replace with str.format method call'
 for bytes

---
 .../ConvertFormatOperatorToMethodIntention.java        | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java
index 647703486ab3..f3e2492c39b7 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java
@@ -236,9 +236,13 @@ public class ConvertFormatOperatorToMethodIntention extends BaseIntentionAction
     if (languageLevel.isOlderThan(LanguageLevel.PYTHON26)) {
       return false;
     }
-    if (binaryExpression.getLeftExpression() instanceof PyStringLiteralExpression && binaryExpression.getOperator() == PyTokenTypes.PERC) {
-      setText(PyBundle.message("INTN.replace.with.method"));
-      return true;
+    if (binaryExpression.getLeftExpression() instanceof PyStringLiteralExpression 
+        && binaryExpression.getOperator() == PyTokenTypes.PERC) {
+      final PyStringLiteralExpression str = (PyStringLiteralExpression)binaryExpression.getLeftExpression();
+      if (!(str.getText().length() > 0 && Character.toUpperCase(str.getText().charAt(0)) == 'B')) {
+        setText(PyBundle.message("INTN.replace.with.method"));
+        return true;        
+      }
     }
     return false;
   }