[Python] Python for xml parsing, how to track correct tree

I try to parse XML file to get NeedThisValue!!! for one of the element tagged <Value>. But there are several tags <Value> in file. How I can get the right one under <Image> branch? This is example of my XML:

<Report xmlns=http://schemas.microsoft.com>
<AutoRefresh>0</AutoRefresh>
<DataSources>
<DataSource Name="DataSource2">
<Value>SourceAlpha</Value>
<rd:SecurityType>None</rd:SecurityType>
</DataSource>
</DataSources>
<Image Name="Image36">
<Source>Embedded</Source>
<Value>NeedThisValue!!!</Value>
<Sizing>FitProportional</Sizing>
</Image>
</Report>


And I'm using this code:

from bs4 import BeautifulSoup

with open(filepath, 'r') as f:
data = f.read()
Bs_data = BeautifulSoup(data, "xml")
b_unique = Bs_data.find_all('Value')
print(b_unique)

### result is below, I need second one only.
[<Value>SourceAlpha</Value>, <Value>NeedThisValue!!!</Value>]

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