Fix rand 0.9.0 breaking changes
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		@@ -1,12 +1,6 @@
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use rand::distributions::Alphanumeric;
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					use rand::distr::{Alphanumeric, SampleString};
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use rand::Rng;
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/// Generate a random string
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					/// Generate a random string
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pub fn rand_str(len: usize) -> String {
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					pub fn rand_str(len: usize) -> String {
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    let s: String = rand::thread_rng()
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					    Alphanumeric.sample_string(&mut rand::rng(), len)
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        .sample_iter(&Alphanumeric)
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        .take(len)
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        .map(char::from)
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        .collect();
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    s
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}
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					}
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