From 26db023a9c03566dd340e5d3fcd63681768c4e0b Mon Sep 17 00:00:00 2001
From: Valentina Kiryushkina <valentina.kiryushkina@jetbrains.com>
Date: Fri, 24 Jun 2016 18:58:37 +0300
Subject: [PATCH] Fix PY-19699 False positive "Too few arguments for format
 string" on *imported*  tuple: don't inspect expression with not-inferred type

---
 .../jetbrains/python/inspections/PyStringFormatInspection.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/src/com/jetbrains/python/inspections/PyStringFormatInspection.java b/python/src/com/jetbrains/python/inspections/PyStringFormatInspection.java
index a2be27d5ef7c..f02ed70a8660 100644
--- a/python/src/com/jetbrains/python/inspections/PyStringFormatInspection.java
+++ b/python/src/com/jetbrains/python/inspections/PyStringFormatInspection.java
@@ -219,7 +219,8 @@ public class PyStringFormatInspection extends PyInspection {
           final PyType stringType = PyBuiltinCache.getInstance(rightExpression).getStringType(LanguageLevel.forElement(rightExpression));
           final PyType listType = PyBuiltinCache.getInstance(rightExpression).getListType();
 
-          if (type == null || PyTypeChecker.match(listType, type, myTypeEvalContext)
+          if (type == null) return -1;
+          if (PyTypeChecker.match(listType, type, myTypeEvalContext)
               || PyTypeChecker.match(stringType, type, myTypeEvalContext)) {
             checkTypeCompatible(problemTarget, builtinCache.getStrType(),
                                 PyTypeParser.getTypeByName(problemTarget, s));