fixed PY-11277 Python: Wrong "argument equals default" inspection

python/src/com/jetbrains/python/inspections/PyArgumentEqualDefaultInspection.java

@@ -131,6 +131,10 @@ public class PyArgumentEqualDefaultInspection extends PyInspection {
         if (key.getText().equals(defaultValue.getText()))
           return true;
       }
+      if (key instanceof PyBinaryExpression && defaultValue instanceof PyBinaryExpression) {
+        if (key.getText().equals(defaultValue.getText()))
+          return true;
+      }
       else if (key instanceof PyStringLiteralExpression && defaultValue instanceof PyStringLiteralExpression) {
         if (((PyStringLiteralExpression)key).getStringValue().equals(((PyStringLiteralExpression)defaultValue).getStringValue()))
           return true;

python/testData/inspections/PyArgumentEqualDefaultInspection/test.py

@@ -67,3 +67,9 @@ kw['customerPaymentProfileId'] = kw.get("customerPaymentProfileId",
 
 {1: 2}.get('foo', None) #pass
 {1: 2}.pop('foo', None) #pass
+
+def a(foo=1*1024):
+    print foo
+
+a( 1024*1024)
+