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158
def lookup_blob(self, fileid, revid):
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row = self.db.execute("select sha1 from trees where fileid = ? and revid = ?", (fileid, revid)).fetchone()
159
row = self.db.execute("select sha1 from blobs where fileid = ? and revid = ?", (fileid, revid)).fetchone()
161
161
raise KeyError((fileid, revid))