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Tue, 19 Mar 2013 08:26:02 -0700 (PDT) In-Reply-To: <20130319151020.0606144837F@nhs-pd1e-esg103.ad1.nhs.net> References: <20130319151020.0606144837F@nhs-pd1e-esg103.ad1.nhs.net> Date: Tue, 19 Mar 2013 11:26:02 -0400 Subject: Re: "module could not be found" error From: Joel Goldstick To: Robert Flintham Content-Type: multipart/related; boundary=f46d043d67712b06f404d848b96c Cc: "python-list@python.org" X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 443 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1363706771 news.xs4all.nl 6866 [2001:888:2000:d::a6]:55645 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:41522 --f46d043d67712b06f404d848b96c Content-Type: multipart/alternative; boundary=f46d043d67712b06f204d848b96b --f46d043d67712b06f204d848b96b Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Tue, Mar 19, 2013 at 11:10 AM, Robert Flintham < Robert.Flintham@uhb.nhs.uk> wrote: > Hi,**** > > ** ** > > I=E2=80=99m trying to run the following, with representing an = array of > floating point numbers:**** > > ** ** > > ------------------------------------------------------------**** > > import numpy as np**** > > import scipy as sp**** > > from scipy import optimize**** > > ** ** > > xdata=3D**** > > ydata=3D**** > > ** ** > > def t2fit(x,T2,A):**** > > return A * np.exp(-x/T2)**** > > ** ** > > popt, pcov =3D optimize.curve_fit(t2fit, xdata, ydata, p0=3DNone, sigma= =3DNone)* > *** > > ------------------------------------------------------------**** > > ** ** > > But I=E2=80=99m getting an ImportError:**** > > ** ** > > Traceback (most recent call last):**** > > File > "K:\eclipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\pydevd.py", > line 1397, in **** > > debugger.run(setup['file'], None, None)**** > > File > "K:\eclipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\pydevd.py", > line 1090, in run**** > > pydev_imports.execfile(file, globals, locals) #execute the script**** > > File > "K:\eclipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\_pydev_execfi= le.py", > line 38, in execfile**** > > exec(compile(contents+"\n", file, 'exec'), glob, loc) #execute the > script**** > > File "K:\PROGRAMMING\MRI_Python\fatfrac.py", line 7, in **** > > from scipy import optimize**** > > File "K:\Python33\lib\site-packages\scipy\optimize\__init__.py", line > 147, in **** > > from ._minimize import ***** > > File "K:\Python33\lib\site-packages\scipy\optimize\_minimize.py", line > 29, in **** > > from .lbfgsb import _minimize_lbfgsb**** > > File "K:\Python33\lib\site-packages\scipy\optimize\lbfgsb.py", line 40, > in **** > > from . import _lbfgsb**** > > ImportError: DLL load failed: The specified module could not be found.***= * > > ** > Looking at the paths, it looks like some packages are for p 2.7 and some for p 3.3 > ** > > ** ** > > I=E2=80=99ve checked the path, and the file lbfgsb.py is definitely at th= at > location (as are optimize.py and _minimize.py). Does anyone know why I= =E2=80=99m > getting the error?**** > > ** ** > > All the best,**** > > Rob**** > > ** ** > > ** ** > > ** ** > > *Robert Flintham > Trainee Clinical Scientist - MRI***** > > Tel:**** > > +44 (0)121 371 7000**** > > Email:**** > > Robert.Flintham@uhb.nhs.uk**** > > Web:**** > > http://www.uhb.nhs.uk**** > > > *We=E2=80=99re bringing the world's most advanced cancer treatments to Bi= rmingham. > Find out more at www.qecancerappeal.org or text **QEHB01 =C2=A35** to **7= 0070**to donate =C2=A35 to our appeal. > ** > ** > RRPPS > Medical Physics - University Hospitals Birmingham NHS Foundation Trust > 63 Melchett Road, Kings Norton, > Birmingham, B30 3HP > ** > ******* > > > > DISCLAIMER: > > This email and any attachments hereto contains proprietary information, s= ome or all of which may be confidential or legally privileged. It is for th= e exclusive use of the intended recipient(s) only. If an addressing or tran= smission error has misdirected this e-mail and you are not the intended rec= ipient(s), please notify the author by replying to this e-mail. If you are = not the intended recipient you must not use, disclose, distribute, copy, pr= int, or rely on this e-mail or any attachments, as this may be unlawful. > > -- > http://mail.python.org/mailman/listinfo/python-list > > --=20 Joel Goldstick http://joelgoldstick.com --f46d043d67712b06f204d848b96b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable



On Tue, Mar 19, 2013 at 11:10 AM, Robert Flintham <Robert= .Flintham@uhb.nhs.uk> wrote:

Hi,

=C2=A0

I=E2=80=99m trying to run the following, with <= ;an array> representing an array of floating point numbers:

=C2=A0

-------------------------------------------------= -----------

import numpy as np

import scipy as sp=

from scipy import optimize<= /span>

=C2=A0

xdata=3D<an array>

ydata=3D<an array>

=C2=A0

def t2fit(x,T2,A):

=C2=A0=C2=A0=C2=A0 return A * np.exp(-x/T= 2)

=C2=A0<= u>

popt, pcov =3D optimize.curve_fit(t2fit, = xdata, ydata, p0=3DNone, sigma=3DNone)

------------------------------------------------------------<= /u>

=C2=A0=

But I=E2=80=99m getting an ImportError:

=C2=A0

Traceback (most recent call last):=

=C2=A0 File "K:\ec= lipse\plugins\org.python.pydev_2.7.1.2012100913\pysrc\pydevd.py", line= 1397, in <module>

=C2=A0=C2=A0=C2=A0 debugger.run(setup[= 9;file'], None, None)

=C2=A0 File "K:\eclipse\plugins\org.python.pydev_2.7.1.201210= 0913\pysrc\pydevd.py", line 1090, in run

=C2=A0=C2=A0=C2=A0 pydev_imports.execfile= (file, globals, locals) #execute the script

=C2=A0File "K:\eclipse\plugins\org.python.= pydev_2.7.1.2012100913\pysrc\_pydev_execfile.py", line 38, in execfile=

=C2=A0=C2=A0=C2=A0 exec(compile(contents+= "\n", file, 'exec'), glob, loc) #execute the script

=C2=A0 File "K:\PROGRAMMING\MRI_Pyth= on\fatfrac.py", line 7, in <module>

=C2=A0=C2=A0 =C2=A0from scipy import optimize

=C2=A0 File "K:\Python33\lib\s= ite-packages\scipy\optimize\__init__.py", line 147, in <module><= u>

=C2=A0=C2=A0=C2=A0 from ._minimize import= *

=C2=A0 File &q= uot;K:\Python33\lib\site-packages\scipy\optimize\_minimize.py", line 2= 9, in <module>

=C2=A0=C2=A0=C2=A0 from .lbfgsb import _m= inimize_lbfgsb

= =C2=A0 File "K:\Python33\lib\site-packages\scipy\optimize\lbfgsb.py&qu= ot;, line 40, in <module>

=C2=A0=C2=A0=C2=A0 from . import _lbfgsb<= u>

ImportError: DLL = load failed: The specified module could not be found.<= /p>

=C2=A0


Looking at the paths, it looks like some packag= es are for p 2.7 and some for p 3.3

=C2=A0

I=E2=80=99ve checked the path, and the file lbfgs= b.py is definitely at that location (as are optimize.py and _minimize.py).= =C2=A0 Does anyone know why I=E2=80=99m getting the error?

=C2=A0

All the best,

Rob

=C2=A0

=C2=A0

=C2=A0

Robert Flintham
Train= ee Clinical Scientist - MRI=

Tel:

=C2=A0+44 (0)121 371 7000

= Email:=

=C2=A0Robert.Flintham@uhb.nhs.uk=

= Web:

=C2=A0h= ttp://www.uhb.nhs.uk


We=E2=80=99re bringing the world's most advanc= ed cancer treatments to Birmingham.
Find out more at www.qecancerappeal.org or text <= /span>QEHB01 =C2=A35 to 70070<= span style=3D"font-size:10.0pt;font-family:"Arial","sans-ser= if";color:red"> to donate =C2=A35 to our appeal.

RRPPS
Medical Physics - Univer= sity Hospitals Birmingham NHS Foundation Trust
63 Melchett Road, Kings N= orton,
Birmingham, B30 3HP




DISCLAIMER:=
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--
http://mail.python.org/mailman/listinfo/python-list




--
Joel Goldstick
http://joelgoldstick.com
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