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1 changed files with 3 additions and 3 deletions
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@ -128,9 +128,9 @@ class DataFrame(Frame):
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nv = len(vars)
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vv = []
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for n in range(nv):
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nm = vars[n].split()[0]
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if n < nv - 1 or nm.isalnum():
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vv.append(nm)
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nm = vars[n].split()
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if n < nv - 1 or (len(nm) > 0 and nm[0].isalnum()):
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vv.append(nm[0])
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else:
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break
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nv = len(vv)
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