[Python] Chart Title is in middle/between my bar graph plotted using openpyxl BarChart module

I am using openpyxl (python module) to dynamically plot a bar graph with data from respective cells, but the chart title gets in between my bar graph.

Code used to create the bar graph:

#sheet_velocity is the worksheet selected

# Chart object
chart_velocity = BarChart()

# Data and labels
chart_data = Reference(sheet_velocity, min_col=3, min_row=3, max_row=14)
categories = Reference(sheet_velocity, min_col=1, min_row=3, max_row=14)

chart_velocity.title = "Custom Title"
chart_velocity.title.text.rich.paragraphs[0].pPr = ParagraphProperties(defRPr=CharacterProperties(sz=1250))
man_layout = ManualLayout(xMode="edge", yMode="edge", x=0.0, y = -0.05) #tried -ve value
chart_velocity.title.layout = Layout(manualLayout=man_layout)
chart_velocity.add_data(chart_data, titles_from_data=False)
chart_velocity.set_categories(categories)
chart_velocity.dataLabels = DataLabelList()
chart_velocity.dataLabels.showVal = True # Show the value of the data point
chart_velocity.dataLabels.showSerName = False
chart_velocity.dataLabels.showCatName = False
chart_velocity.dataLabels.showLegendKey = False
chart_velocity.legend = None
chart_velocity.x_axis.delete = False
chart_velocity.y_axis.delete = False
series = chart_velocity.series[0]
series.graphicalProperties.solidFill = "379e3e"
sheet_velocity.add_chart(chart_velocity, "F3")




Things that I've tried so far (have not worked):

1. 
   Increasing the chart.height variable
   
   
2. 
   Changing the position of chart title using ManualLayout
   
   For example: manual_layout = ManualLayout(xMode="edge", yMode="edge", x=0.0, y=0.0)
   

(Giving a +ve value to y would bring the title down but not move it up, tried -ve value as well --> did not work.)

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