diff --git a/lib/pry/code.rb b/lib/pry/code.rb
index c769d9eb..c53f7331 100644
--- a/lib/pry/code.rb
+++ b/lib/pry/code.rb
@@ -82,7 +82,7 @@ class Pry
       # @return [String, nil] The first complete expression, or `nil` if
       #   none found.
       def retrieve_complete_expression_from(str_or_lines)
-        lines = str_or_lines.is_a?(Array) ? str_or_lines : str.each_line.to_a
+        lines = str_or_lines.is_a?(Array) ? str_or_lines : str_or_lines.each_line.to_a
 
         code = ""
         lines.each do |v|
diff --git a/lib/pry/method.rb b/lib/pry/method.rb
index 9ea55f65..78ef31b8 100644
--- a/lib/pry/method.rb
+++ b/lib/pry/method.rb
@@ -288,7 +288,7 @@ class Pry
     end
 
     def source_location
-      if Helpers::BaseHelpers.rbx?
+      if @method.source_location && Helpers::BaseHelpers.rbx?
         file, line = @method.source_location
         [RbxPath.convert_path_to_full(file), line]
       else