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A newer version of conda is required. target environment location: %(target_prefix)s current conda version: %(conda_version)s minimum conda version: %(minimum_version)s u target_prefixu conda_versionuminimum_versionuŸ Update conda and try again. $ conda install -p "%(base_prefix)s" "conda>=%(minimum_version)s" u base_prefixu­ To work around this restriction, one can also set the config parameter 'allow_conda_downgrades' to False at their own risk. (((RpR}RIRfRRtgetttupleRtallow_conda_downgradesR4RR RR+R*RRBRt root_prefixR (RERjtdtt unused_conttcommentsR{Rnt comment_itemstdiststconda_versions_from_historytminimum_conda_versiontminimum_major_minortcurrent_major_minortmessage((s,lib/python2.7/site-packages/conda/history.pytget_user_requestsÔs<    !!     c`si}xº|jƒD]¬}d„|jdd ƒDƒ}x!|D]}|j|jdƒq<Wd„|jdd ƒDƒ}|jd„|Dƒƒd„|jdd ƒDƒ}|jd„|DƒƒqWtd „t|jƒj ƒDƒƒ‰t ‡fd †t |ƒDƒƒS(Ncs`s|]}t|ƒVqdS(N(R(R#Rs((s,lib/python2.7/site-packages/conda/history.pys su remove_specscs`s|]}t|ƒVqdS(N(R(R#Rs((s,lib/python2.7/site-packages/conda/history.pys su update_specscs`s|]}|j|fVqdS(N(R9(R#R$((s,lib/python2.7/site-packages/conda/history.pys scs`s|]}t|ƒVqdS(N(R(R#Rs((s,lib/python2.7/site-packages/conda/history.pys suneutered_specscs`s|]}|j|fVqdS(N(R9(R#R$((s,lib/python2.7/site-packages/conda/history.pys scs`s|]}|jVqdS(N(R9(R#R;((s,lib/python2.7/site-packages/conda/history.pys !sc3`s-|]#\}}|ˆkr||fVqdS(N((R#R9Rs(t prefix_recs(s,lib/python2.7/site-packages/conda/history.pys "s(((( RŽR€tpopR9tNoneRIR3RRBRXtdictR(REtspec_maptrequestt remove_specsRst update_specstneutered_specs((Rs,lib/python2.7/site-packages/conda/history.pytget_requested_specs_maps %cC`sËg}tgƒ}x²|jƒD]¤\}}}t|ƒsC|}ngxd|D]\}|jdƒrs|j|dƒqJ|jdƒr–|j|dƒqJtd|ƒ‚qJW|j||jƒfƒqW|S(uQ return a list of tuples(datetime strings, set of distributions) u-iu+uDid not expect: %s( R3RpR1R.tdiscardRiRRftcopy(RERjtcurR„tcontt unused_comR$((s,lib/python2.7/site-packages/conda/history.pytconstruct_states$s    iÿÿÿÿcC`s6|jƒ}|stgƒSt|Œ\}}||S(ué return the state, i.e. the set of distributions, for a given revision, defaults to latest (which is the same as the current state when the log file is up-to-date) Returns a list of dist_strs (RžR3tzip(REtrevtstatesttimestpkgs((s,lib/python2.7/site-packages/conda/history.pyRU8s   cC`ssxlt|jƒƒD]X\}\}}}td||fƒx"t|ƒD]}td|ƒqIWtdƒqWdS(Nu %s (rev %d)u %su(t enumerateRptprintR@(REtitdateR0RRn((s,lib/python2.7/site-packages/conda/history.pyt print_logFs (cC`skg}x^t|jƒƒD]J\}\}}}i|d6|d6gd6gd6gd6gd6}i}i}t|ƒr.x€|D]x} t| dƒ\} } } } | jdƒrÊ| | | f|| jƒR@tobjectRAR»RBthRŽR¥R˜(((s,lib/python2.7/site-packages/conda/history.pytsL"       "    ÿH