indent: handle consecutive linebreaks

lib/pry/indent.rb

@@ -162,14 +162,14 @@ def indent(input)
 
         line = prefix + line.lstrip unless previously_in_string
 
-        output += line
+        output += "#{line.chomp}\n"
 
         prefix = new_prefix
       end
 
       @indent_level = prefix
 
-      output
+      output.chomp
     end
 
     # Get the indentation for the start of the next line.

spec/indent_spec.rb

@@ -102,6 +102,34 @@ def number
     expect(@indent.indent(input)).to eq output
   end
 
+  it 'should properly indent nested code with consecutive linebreaks' do
+    input = <<TXT.strip
+class C
+  def foo
+    :foo
+  end
+
+  def bar
+    :bar
+  end
+end
+TXT
+
+    output = <<TXT.strip
+class C
+  def foo
+    :foo
+  end
+  
+  def bar
+    :bar
+  end
+end
+TXT
+
+    expect(@indent.indent(input)).to eq output
+  end
+
   it 'should indent statements such as if, else, etc' do
     input = <<TXT.strip
 if a == 10