diff --git a/exercises/practice/resistor-color-trio/.meta/example.gd b/exercises/practice/resistor-color-trio/.meta/example.gd
index 94c570c..bcc81b5 100644
--- a/exercises/practice/resistor-color-trio/.meta/example.gd
+++ b/exercises/practice/resistor-color-trio/.meta/example.gd
@@ -1,18 +1,18 @@
 func color_code(colors):
-    var colors_code = ["black", "brown", "red", "orange", "yellow", "green", "blue", "violet", "grey", "white"]
+	var colors_code = ["black", "brown", "red", "orange", "yellow", "green", "blue", "violet", "grey", "white"]
 
-    var units = {
+	var units = {
         1e9: "gigaohms",
         1e6: "megaohms",
         1e3: "kiloohms"
     }
 
-    var base_value = colors_code.find(colors[0]) * 10 + colors_code.find(colors[1])
-    var magnitude = 10 ** colors_code.find(colors[2])
-    var total = base_value * magnitude
+	var base_value = colors_code.find(colors[0]) * 10 + colors_code.find(colors[1])
+	var magnitude = 10 ** colors_code.find(colors[2])
+	var total = base_value * magnitude
 
-    for key in units.keys():
-        if total >= key:
-            return str(total / key) + " " + units[key]
+	for key in units.keys():
+		if total >= key:
+			return str(total / key) + " " + units[key]
 
-    return str(total) + " ohms"
\ No newline at end of file
+	return str(total) + " ohms"
\ No newline at end of file
diff --git a/exercises/practice/resistor-color-trio/resistor_color_trio.gd b/exercises/practice/resistor-color-trio/resistor_color_trio.gd
index 2c5d051..0956b0e 100644
--- a/exercises/practice/resistor-color-trio/resistor_color_trio.gd
+++ b/exercises/practice/resistor-color-trio/resistor_color_trio.gd
@@ -1,2 +1,2 @@
 func color_code(colors):
-    pass
\ No newline at end of file
+	pass
\ No newline at end of file
diff --git a/exercises/practice/resistor-color-trio/resistor_color_trio_test.gd b/exercises/practice/resistor-color-trio/resistor_color_trio_test.gd
index 19766a9..b4e479e 100644
--- a/exercises/practice/resistor-color-trio/resistor_color_trio_test.gd
+++ b/exercises/practice/resistor-color-trio/resistor_color_trio_test.gd
@@ -1,58 +1,59 @@
 func test_orange_and_orange_and_black(solution_script):
-    var colors   = ["orange", "orange", "black"]
-    var expected = "33 ohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["orange", "orange", "black"]
+	var expected = "33 ohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_blue_and_grey_and_brown(solution_script):
-    var colors   = ["blue", "grey", "brown"]
-    var expected = "680 ohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["blue", "grey", "brown"]
+	var expected = "680 ohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_red_and_black_and_red(solution_script):
-    var colors   = ["red", "black", "red"]
-    var expected = "2 kiloohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["red", "black", "red"]
+	var expected = "2 kiloohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_green_and_brown_and_orange(solution_script):
-    var colors   = ["green", "brown", "orange"]
-    var expected = "51 kiloohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["green", "brown", "orange"]
+	var expected = "51 kiloohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_yellow_and_violet_and_yellow(solution_script):
-    var colors   = ["yellow", "violet", "yellow"]
-    var expected = "470 kiloohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["yellow", "violet", "yellow"]
+	var expected = "470 kiloohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_blue_and_violet_and_blue(solution_script):
-    var colors   = ["blue", "violet", "blue"]
-    var expected = "67 megaohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["blue", "violet", "blue"]
+	var expected = "67 megaohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_minimum_possible_value(solution_script):
-    var colors   = ["black", "black", "black"]
-    var expected = "0 ohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["black", "black", "black"]
+	var expected = "0 ohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_maximum_possible_value(solution_script):
-    var colors   = ["white", "white", "white"]
-    var expected = "99 gigaohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["white", "white", "white"]
+	var expected = "99 gigaohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_first_two_colors_make_an_invalid_octal_number(solution_script):
-    var colors   = ["black", "grey", "black"]
-    var expected = "8 ohms"
-    return [expected, solution_script.color_code(colors)]
+	var colors   = ["black", "grey", "black"]
+	var expected = "8 ohms"
+	return [expected, solution_script.color_code(colors)]
 
 
 func test_ignore_extra_colors(solution_script):
-    var colors   = ["blue", "green", "yellow", "orange"]
-    var expected = "650 kiloohms"
-    return [expected, solution_script.color_code(colors)]
\ No newline at end of file
+	var colors   = ["blue", "green", "yellow", "orange"]
+	var expected = "650 kiloohms"
+	return [expected, solution_script.color_code(colors)]
+